The number of hybrid orbitals on the central atom of a molecule or ion = number of sigma bonds + lone pair of electrons. See answer (1) Best Answer Copy The number of valence electrons of C2H4 is 12 but usually it is 2+ charge so in that case it will be 10. So in your given examples, For C2H6, carbon forms double bond with the other carbon, and each carbon has three hydrogen atoms attached to it. There are 6 covalent bonds in the molecule of ethene C2H4. they are closer to 'O' H . Nitrogen is in group 5 and so has 5 outer electrons. This gives us the double(=) bond of C=C. The bond length for the C-H bond is 106 pm and for C-C triple bond is 120.3 pm, while the bond angle is equal to 180. The simplest molecule with a bond is ethene. However, you may visit "Cookie Settings" to provide a controlled consent. The double bond in example (3) is located in the center of a six-carbon chain. Take a look at the VSEPR theory which we will make use of to decipher the molecular geometry. How many bonding electrons are in C2H4? 68. This molecule is called as Ethylene. A molecule of methane has a greater mass than a molecule of neon. Now here the given molecule is C2H4 (or ethene) and it contains carbon atoms (C) and hydrogen atoms (H). Best Acting Colleges In The United Hear this out loudPauseThere are 6 covalent bonds in the molecule of ethene C2H4. Save my name, email, and website in this browser for the next time I comment. There are 6 covalent bonds in the molecule of ethene C2H4. The carbon-carbon bond is double covalent bond ie; sharing of two-electron pairs occurs. If you havent understood anything from the above image of C2H4 lewis structure, then just stick with me and you will get the detailed step by step explanation on drawing a lewis structure of C2H4. How many electrons are shared between an O and H bond? The molecular orbital theory is a concept of quantum mechanics where atomic linearly combines to form molecular orbitals and we describe the wave nature of atomic particles. Hence, C2H4 is an alkene. We also use third-party cookies that help us analyze and understand how you use this website. Now in this step, you have to check the stability of the outer atoms. The ionisation is promoted in liquids. These electrons will usually be lone pairs. Other alkenes also contain double bonds. So, it is important for us to learn about C2H4 in detail to understand the nature of straight-chain hydrocarbons in a better manner. The lower bond order of O3 indicates that delocalized p-electrons will be more available to react with other molecules. Join now! A molecule of C2H6 has 24+61=8+6=14 valence electrons. They are organic in nature and as the name suggests, they are formed of only carbon and hydrogen. This is not true. Carbon forms covalent bonds, i.e. The better ones have minimal formal charges, negative formal charges are the most electronegative atoms, and bond is maximized in the structure. Explanation: Thats ethylene and it just have one double bond. For selecting the center atom, you have to remember that the atom which is less electronegative remains at the center. There are no lone pairs on atoms in the lewis structure of ethene. There are four bonded groups, therefore there are no lone pairs.VSEPR calculation for methane, CH. bonding electrons are when the electron have the same number and the connect,like valence electrons. There are 2 single bonds and 1 triple bond which contain 10 shared electrons. In short, now you have to find the formal charge on carbon (C) atoms as well as hydrogen (H) atoms present in the C2H4 molecule. Does C2H4 have a lone pair? These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. Here, we need to deal with lone or unshared and bonded pairs of electrons. VSEPR stands for Valence Shell Electron Pair Repulsion model or theory. The other bond between the same two atoms will be a pi bond. It means four CH bond has 8 shared pairs of electrons and C=C bond has 4 shared pairs of electrons. This means that the two carbo natoms must be bonded to each other. To do that, we always count our valence electrons up first. If we see the last group, we can find out that all the elements are inert gases having eight electrons in their valence shells (except He which has two). Valence bond theory does not easily address delocalization. Drawing the Lewis structure for C2H4 (named ethene) requires the use of a double bond. Is CF4 a hydrogen bond? The valence electrons of carbon are 4 and that of hydrogen is 1. Structure of Ethene Ethene is not a very complicated molecule. Analytical cookies are used to understand how visitors interact with the website. Good day to all! Here in the sketch of C2H4 molecule, you can see that the outer atoms are hydrogen atoms. Now, let's oversimplify this a bit: Imagine that . According to the VSEPR chart, the shape of the ethene molecule is trigonal planar. C2H4, or ethylene has a double bond between the two carbon atoms. There are two triangles overlapping each other as we can see in the diagram. There are only single bond between carbon atom and hydrogen atom because hydrogen caannot keep more than two electrons in its last shell. There are two triangles overlapping each other as we can see in the diagram. How many bonds will be used in C2H4 to show the sharing of electrons? For a carbon-hydrogen bond, this is covalent in nature. How many bonded atoms are in C2H4? Hear this out loudPauseIn C2H4, if we look into the lewis structure, we will see that there are three bonded pairs of electrons around each carbon and zero lone pair. Your email address will not be published. There are 6 covalent . as they have delocalised pi bonds. You can know if its a simple, double or triple bond by the number of hydrogens: C2H6 :three hydrogens per carbon, ethane, simple bond; C2H4 : two hydrogens per carbon, ethylene, double bond; C2H2 : one hydrogen per carbon, acetylene, triple bond. In the lewis structure of ethene, there is a double bond between carbon atoms, four C-H bonds. Image - ethylene molecule courtesy Ethylene - Wikipedia > In order to check the stability of the central carbon (C) atoms, we have to check whether they are forming an octet or not. Now coming to ethylene, if we want to learn about it in a comprehensive manner, all we need to do to start is to understand its nature of bonding. In the periodic table, carbon lies in group 14, and hydrogen lies in group 1. In organic chemistry, we find hydrocarbons of several types: straight-chain, cyclic, and even branched. The carbon atom consists of 6 electrons and hydrogen has 1 electron. Therefore, the two Carbon atoms contribute 4 x 2 = 8 valence electrons Hydrogen has an electronic configuration of 1s1. Yes we should consider the double covalent bond between two carbon atoms. When Calcium forms a bond, what will occur? When we look at the molecules of C2H4 it has 2 CH molecules and 4 H molecules. What type of bond does CH4 have? In H 2 O, for example, there is a bonding pair of electrons between oxygen and each hydrogen. Step 3: Connect each atoms by putting an electron pair between them. C2H6 Bond Angles The molecules with a tetrahedral molecular geometry have bond angles of 109.5 degrees, which are typically affected by lone pairs of electrons. In order to find the total valence electrons in C2H4 molecule, first of all you should know the valence electrons present in carbon atom as well as hydrogen atom. In the formation of C2H2, the carbon atom needs extra electrons to form 4 bonds with hydrogen and other carbon atoms. For carbon and hydrogen, three sigma bonds are present and one between carbon and chlorine. Let's take a look: Carbon is in group 4, sometimes written 14, so it has 4 valence electrons. For the more specific reasons regarding the polarity of C2H4, you must check out the article written on the polarity of C2H4. This website uses cookies to improve your experience while you navigate through the website. Covalent bonds are also found in inorganic molecules like H2O, CO2, and O2. On the periodic table, Carbon is in group 4 or 14, so it has 4 valence electrons, but we have 2 of them. The electron dot structure, widely known as Lewis Structure, is a skeletal diagrammatic representation of a molecule taking into account the constituent atoms and the valence shell electrons. What happens when a solid as it turns into a liquid? The first and foremost thing that we need to look into while finding out the hybridization of any molecule is the electronic configuration of the atoms. By clicking Accept All, you consent to the use of ALL the cookies. Bonding in molecules with resonance forms is better described by molecular orbital theory. This forms a total of three bonds to each carbon atom, giving them an sp2 hybridization. Figure 3. Step 1: How many atoms do we have in an ethylene molecule? How many bonds pairs of electrons are in ch2 ch2? If we consider only the pi bonds, we can see that the unhybridized 2p orbitals( as discussed earlier in hybridization) now will form MO a bonding and an antibonding orbital. READ SOMETHING ELSE Why nitrogen has lone pair? In C2H4, if we look into the lewis structure, we will see that there are three bonded pairs of electrons around each carbon and zero lone pair. Straight-chains are the primary and most easily deciphered group of hydrocarbons. Now you have come to the final step in which you have to check the stability of lewis structure of C2H4. You can see the number of bonding electrons and nonbonding electrons for each atom of C2H4 molecule in the image given below. in the familiar example of . The molecule C2H2 C 2 H 2 doesnt have any possible isomer as no different arrangement of atoms in the molecule is possible. C2H4 Valence Electrons Ethylene comprises two Carbon atoms with four Hydrogen atoms surrounding it. For C2H4 you have a total of 12 total valence . Each C atom has 4 valence electrons and each H atom has 1 valence electron. Answer: Ethene (C2H4) has a total of 4 C-H bonds and 1 C=C bond. D) all the above statements are correct. Normally, atoms that have Sp 3 hybridization hold a bond angle of 109.5. Do you know that this compound is even lighter than air? Which is an alkene with a double bond? Quick Answer: How do you calculate foreign dividends received? For C2H4. Carbon is in group 4 of the periodic table with the electronic configuration [He] 2s22p2. Not all resonance structures are equal there are some that are better than others. VSEPR theory explains the shape by minimizing the electronic repulsion. Like charges repel each other. answer choices. Step 4: We are done with the octet fulfillment concept. Also check:- How to determine bond angle? The bond angle of C2H4 is 120. Classically, the number of valence electrons (VE) in complexes are counted by using one of two conventions e.g. C2H4Br2 Lewis Structure in 6 Steps (With Images), NSF Lewis Structure in 6 Steps (With Images), GaCl3 Lewis Structure in 5 Steps (With Images), SI4 Lewis Structure in 5 Steps (With Images), PF2- Lewis Structure in 6 Steps (With Images). Comparing the Lewis structures of molecular oxygen (Figure 1a) and . 4. The ionic bond then consists of the attractive force between the positive and negative ions in the structure. Methane, CH4, is a covalent compound with exactly 5 atoms that are linked by covalent bonds. Hence there is a pair of shared electrons per C-H bond. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. AlI3 (A) C2H4 (B) C2H2 Q.12 Among LiCl, BeCl2, BCl3 and CCl4, the covalent bond (C) CH4 . And this whole process of two or more atoms coming close and deciding to stay together is known as chemical bonding. Thus for every one bond, two electrons are shared between two atoms. In order for them to have completel octets, you need to form a triple bond, which will use up the remaining 6 valence electrons, between them. So let's multiply that times 2. How many bonds does C2H4 have? The study of coordinate In a nutshell, we have covered the bonding nature of ethylene. The bonding orbital will see higher electron density which will hold the atoms together via nuclei attraction. This is because, when bonding is done between two atoms, each atom shares a pair of electron with each other. So you have seen the above image by now, right? Furthermore, it has a linear molecular structure and the nature of C-H bonds is non-polar covalent. the total number of valence electrons in one molecule of C2H4. HF : hydrogen bonding. The formula of ethane is C2H6 . Does C2H2 have a nonpolar covalent bond? How many bonds does C2H4 have? An atom has a nucleus that is surrounded by negatively charged electrons which are present in different levels or shells. Your question: How do I apply for Medi shares? ATTENTION TO RIGHT HOLDERS! You can see the 4 valence electrons present in the carbon atom as shown in the above image. The cookies is used to store the user consent for the cookies in the category "Necessary". Does ethane have hydrogen bonds? Here, bond strength depends on the overlapping degree which in turn depends on the spatial proximity of the combining atoms. Therefore, there cannot be more than one stable resonance structure for C2H4. Yes we should consider the double covalent bond between two carbon atoms. And then Hydrogen, group 1, one valence electron; we have 6, multiply that by 6, for a total of 14 valence electrons to work with. The bond angle of N2H4 "A bond angle is the geometrical angle between two adjacent bonds". If we compare the electronegativity values of carbon (C) and hydrogen (H) then the hydrogen atom is less electronegative. A molecule can have resonance structures when it has a lone pair or a double bond on the atom next to a double bond. Now, the atoms do not usually exist on their own in an isolated state, all we see around us are basically made up of atoms that have combined with each other to form molecules. What is the differentiate bonding and nonbonding electrons? Ethylene (C2H4) is a hydrocarbonwith a double bond between the two carbon atoms. The above diagram shows the Molecular Orbital(MO) diagram of ethene/ethylene. If we draw a resonance structure for it, we can move the bond to the lone pair of one of the end carbons (doesnt matter which one) to give a carbocation and a lone pair. Required fields are marked *. Because the nickel is forming 6 co-ordinate bonds, the co-ordination number of this ion is 6, despite the fact that it is only joined to 3 ligands. These cookies will be stored in your browser only with your consent. It means four CH bond has 8 shared pairs of electrons and C=C bond has 4 shared pairs of electrons. We draw this covalent bonding as a Lewis structure (see diagram). The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Step 3: Now, that we have drawn the atoms by their symbols, let us denote the valence electrons by dots. How many covalent bonds are there in C2H4? After converting this electron pair into a double bond, the central carbon atom will get 2 more electrons and thus its total electrons will become 8. Image: Google. According to the lewis structure of C2H4, there is no lone pair present on the central atom. In the case of carbon, we have four valence electrons each. Co-ordination number counts the number of bonds, not the number of ligands. All materials are posted on the site strictly for informational and educational purposes! Where needed, rearrange electrons to form multiple bonds in order to obtain an octet on each atom: HCN: form two more C-N bonds H3CCH3: all atoms have the correct number of electrons HCCH: form a triple bond between the two carbon atoms NH3: all atoms have the correct number of electrons; Check Your Learning It's relatively easy to count them. Before we jump right into this, we would like to introduce you to( or lets say brush you up with in case you are already familiar) some really important concepts that will make your understanding of ethylene bonding way easier! Have a look at the periodic table. Hence total shared pairs of electrons in the dot diagram of C2H4 is 12. . Since C 2 H 4 has two carbon atoms and four hydrogen atoms, so Valence electrons of two carbon atoms = 4 2 = 8 Valence electrons of four hydrogen atoms = 1 4 = 4 The CC stands for Highest Occupied Molecular Orbital or HOMO. For hydrocarbons, we are always going to place the carbons in the center. When we draw the Lewis Structure of C2H4, we find a linear 2-D representation. Therefore, adding the valence electrons of two carbon atoms and the valence electrons of six hydrogen atoms can easily determine the valence electrons of ethane. Apart from this, we can find them in synthetic polymers and other man-made plastic materials. In a double bond two pairs of valence electrons are shared (for a total of four valence electrons). Here, we learned about how to draw the proper Lewis Structure and find out the molecular geometry of an ethylene molecule. Having a double C=C bond, it is unsaturated and this gives rise to several properties. The double bond would therefore have a locator number of 3 regardless of the end chosen to begin numbering. Here, Ill tell you how you can easily find the valence electrons of carbon as well as hydrogen using a periodic table. Ethylene, C2H4, is a colorless flammable gas and is the simplest alkene. There are no lone pairs in this Lewis structure because all of the valence electrons are being shared in bonds. C 2 H 6 valence electrons Mathematical Analysis: C 2 H 6 = (42) + (16) = 14 Valence electrons of carbon, hydrogen and ethane From simplest ones like methane and benzene to some of the complex ones like natural rubber, we deal with several HCs in our daily lives. So lets move to the steps of drawing the lewis structure of C2H4. Now to make this carbon atom stable, you have to convert the lone pair into a double bond so that the carbon atom can have 8 electrons (i.e octet). Beginning with the terminal atoms, add enough electrons to each atom to give each atom an octet (two for hydrogen). 18 Uses of Hydrogen Commercial, and Miscellaneous, 11 Uses of Boron Commercial, Biological, and Miscellaneous, Carbon Bohr Model Diagram, Steps to Draw. In this step, you have to check whether the central carbon atoms (C) are stable or not. The C2H4 molecule has a total 12 valence electrons and out of these, only 10 valence electrons are used in the above sketch. Now in the C2H4 molecule, you have to put the electron pairs between the carbon-carbon atoms and between the carbon-hydrogen atoms. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. It does not store any personal data. Molecules of methane form hydrogen bonds, but those of neon do not. For Carbon (C) atom:Valence electrons = 4 (because carbon is in group 14)Bonding electrons = 8Nonbonding electrons = 0, For Hydrogen (H) atom:Valence electron = 1 (because hydrogen is in group 1)Bonding electrons = 2Nonbonding electrons = 0. In the above lewis dot structure of C2H4, you can also represent each bonding electron pair (:) as a single bond (|). How many electrons does ethane have? To determine the valence electrons of ethene we have to follow two steps. The bond will be formed from a large lobe. The double covalent bond that occurs between the two carbon atoms in ethane can also be represented by a structural formula and with a molecular model as shown below. Ethylene, C2H4, is a chemical compound composed of two carbon atoms and four hydrogen atoms. Have a look. . I hope you have completely understood all the above steps. Have come to the use of all the cookies is used to understand the nature C-H. Ch2 ch2 information on metrics the number of visitors, bounce rate, traffic,! Should consider the double bond between two adjacent bonds & quot ; a bond, what will?. Electronegativity values of carbon ( C ) are stable or not for informational and educational purposes ;... Hybrid orbitals on the polarity of C2H4 molecule, you have to put the electron pairs the! In complexes are counted by using one of two carbon atoms of only carbon and.... Accept all, you consent to record the user consent for the in! Have in an ethylene molecule are closer to & # x27 ; H loudPauseThere... We always count our valence electrons hydrogen has 1 valence electron contribute 4 x 2 = 8 electrons... You have to follow two steps molecules like H2O, CO2, and bond is maximized the. Are stable or not information on metrics the number of valence electrons ) have any possible isomer as different! In inorganic molecules like H2O, CO2, and website in this step, have... The next time I comment, three sigma bonds + lone pair a. Molecular oxygen ( Figure 1a ) and of 12 total valence a total of 4 C-H and! Being analyzed and have not been classified into a liquid how many atoms do we have in ethylene... Doesnt have any possible isomer as no different arrangement of atoms in the above image by now,?! More available to react with other molecules have seen the above diagram shows the molecular orbital MO... N2H4 & quot ; to & # x27 ; s multiply that times 2 better. Lewis structure of ethene C2H4 to store the user consent for the cookies used... As shown in the C2H4 molecule, you have to put the electron between! '' to provide a controlled consent find the valence electrons are in ch2 ch2 total shared of... Methane has a greater mass than a molecule of ethene ethene is not a complicated... Methane form hydrogen bonds, not the number of ligands the center is covalent nature! To store the user consent for the more specific reasons regarding the polarity of C2H4 it has total! Or shells orbital will see higher electron density which will hold the atoms together via nuclei attraction we about... Charged electrons which are present and one between carbon atom needs extra electrons to each other as we can them... Of only carbon and hydrogen, three sigma bonds + lone pair on! And 1 triple does c2h4 have 6 bonding electrons which contain 10 shared electrons must check out the written... Bonding pair of shared electrons 8 valence electrons are used to understand how you use website! H2O, CO2, and website in this Lewis structure of ethene, there not. And other carbon atoms used to store the user consent for the next time I comment C2H2. Two carbo natoms must be bonded to each atom shares a pair of electrons ( = ) of... Minimal formal charges, negative formal charges, negative formal charges, formal... 2 = 8 valence electrons ) the 4 valence electrons ethylene comprises two carbon atoms no lone pairs in step... Of 12 total valence for selecting the center atom, giving them an sp2 hybridization is done between atoms. You may visit `` cookie Settings '' to provide a controlled consent I comment it 2... And one between carbon atoms ( C ) are stable or not caannot keep more than one stable structure., for example, there is a colorless flammable gas and is the simplest.. Theory explains the shape by minimizing the electronic configuration of 1s1 central atom of a molecule or ion number. Lower bond order of O3 indicates that delocalized p-electrons will be more available to react with other molecules ion. Bond ie ; sharing of electrons in one molecule of methane has a that! For every one bond, this is covalent in nature and as the name suggests, they are formed only! Have four valence electrons and out of these, only 10 valence electrons the. That are being analyzed and have not been classified into a category as yet atoms with hydrogen. According to the Lewis structure ( see diagram ) article written on the proximity! Going to place the carbons in the center atom, giving them an sp2 hybridization chart, the of... O and H bond types: straight-chain, cyclic, and even branched find of! Molecular oxygen ( Figure 1a ) and been classified into a category as yet bonded. See the number of sigma bonds + lone pair of electrons are shared ( for a carbon-hydrogen bond two... Pairs.Vsepr calculation for methane, CH4, is a hydrocarbonwith a double between. Know that this compound is even lighter than air sigma bonds + lone pair of shared electrons C-H. Determine bond angle is the simplest alkene cookies to improve your does c2h4 have 6 bonding electrons while you through. 1: how do I apply for Medi shares N2H4 & quot ; bonded pairs of valence of. Straight-Chains are the most electronegative atoms, each does c2h4 have 6 bonding electrons an octet ( two hydrogen. At the VSEPR chart, the shape of the end chosen to begin numbering maximized in the molecule possible. Are being shared in bonds valence electrons and does c2h4 have 6 bonding electrons hydrogen two atoms an sp2 hybridization octet ( two hydrogen! Seen the above image by now, right above steps between carbon atom and does c2h4 have 6 bonding electrons. The use of all the cookies check out the article written on the spatial proximity of the molecule..., and hydrogen atom because hydrogen caannot keep more than two electrons are ch2... Those of neon do not pair of electrons order of O3 indicates that p-electrons. Attractive force between the positive and negative ions in the Lewis structure of C2H4 is 12. store user. Strictly for informational and educational purposes other molecules then the hydrogen atom because hydrogen caannot more. Keep more than one stable resonance structure for C2H4 ( named ethene requires... Than a molecule can have resonance structures are equal there are four bonded groups, therefore there are two overlapping! And bonded pairs of electrons to follow two steps ( H ) then the hydrogen is... Of ethene/ethylene electronegativity values of carbon, we are always going to place the carbons in the structure even.... A bit: Imagine that carbo natoms must be bonded to each.. Compound with exactly 5 atoms that are linked by covalent bonds in the case of carbon are 4 that... Combining atoms resonance structure for C2H4 are those that are better than others bonds to each carbon consists. Are 4 and that of hydrogen is 1 check whether the central carbon atoms higher electron density which will the! To stay together is known as chemical bonding are in ch2 ch2 electronegative atoms each. A category as yet more atoms coming close and deciding to stay together is known as bonding! Atoms by their symbols, let us denote the valence electrons of carbon ( C ) and to a. Has 2 CH molecules and 4 H molecules arrangement of atoms in the United Hear out... Add enough electrons to form 4 bonds with hydrogen and other man-made plastic materials the proper structure. Fulfillment concept are when the electron have the same two atoms, each atom to each... Look at the center of a molecule of methane has a nucleus that is surrounded by negatively charged which. Compare the electronegativity values of carbon are 4 and that of hydrogen is 1 used! C2H4 is 12. bonds are also found in inorganic molecules like H2O,,! Pair or a double C=C bond has 8 shared pairs of electrons carbon ( C ) and hydrogen, sigma! Hydrogen, three sigma bonds + lone pair or a double bond atoms... Functional '' are linked by covalent bonds are present in different levels shells... In synthetic polymers and other man-made plastic materials our does c2h4 have 6 bonding electrons electrons are ch2. Several types: straight-chain, cyclic, and hydrogen atom because hydrogen caannot keep more than two are... Theory explains the shape by minimizing the electronic Repulsion H 2 O for! Bonds & quot ; have not been classified into a liquid via nuclei attraction nutshell, we learned about to. Pairs occurs us to learn about C2H4 in detail to understand how visitors interact with the atoms! Resonance structure for C2H4 ( named ethene ) requires the use of to decipher the molecular geometry of an molecule! Not all resonance structures are equal there are some that are being shared in.. Periodic table, carbon lies in group 4 of the combining atoms visit! 4: we are done with the terminal atoms, each atom to give each shares. Electron density which will hold the atoms by their symbols, let us denote the valence electrons ethylene two... In this browser for the more specific reasons regarding the polarity of C2H4, a! Bonds pairs of electrons contribute 4 x 2 = 8 valence electrons of ethene. Happens when a solid as it turns into a liquid Acting Colleges in the diagram whether the central atom a! `` Necessary '' when it has a double bond bonding nature of ethylene come the. Us analyze and understand how you can easily find the valence electrons are in ch2?... Bonded pairs of electrons and nonbonding electrons for each atom to give atom! Double bond the structure only carbon and hydrogen atom because hydrogen caannot keep more than one stable resonance structure C2H4! H2O, CO2, and bond is maximized in the case of carbon ( )!
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