[Answer] Some alkenes have geometric (cis-trans) isomers because ________.A) the carbon atoms in the double bond cannot rotateB) each of the carbon atoms in the double bond has four different groups attached to itC) one of the carbon atoms in the double bond has two identical groups attached to itD) the carbon atoms in the double bond are free to rotateE) all of the carbon atoms in the compound are rigid and cannot rotate

Answer: A

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Some alkenes have geometric (cis-trans) isomers because ________.A) the carbon atoms in the double bond cannot rotateB) each of the carbon atoms in the double bond has four different groups attached to itC) one of the carbon atoms in the double bond has two identical groups attached to itD) the carbon atoms in the double bond are free to rotateE) all of the carbon atoms in the compound are rigid and cannot rotate Sat May 08 2010 · a) one of the carbon atoms in the double bond has two identical groups attached to it. b) each of the carbon atoms in the double bond has four different groups attached to it. c) all the carbon atoms in the compound are rigid and cannot rotate . d) the carbon atoms in the double bond cannot rotate . e) the carbon atoms in the double bond are free ... Cis and Trans Isomers and Cis Trans Practice Problems ... Cis and Trans Isomers and Cis Trans Practice Problems ... Cis and Trans Isomers and Cis Trans Practice Problems ... Cis-Trans Isomerism in Alkenes | MCC Organic Chemistry Fri Nov 09 2012 · A. all of the carbon atoms in the compound are rigid and cannot rotate B . each of the carbon atoms in the double bond has four different groups attached to it C . the carbon atoms in the double bond are free to rotate D. one of the carbon atoms in the double bond has two identical groups attached to it E. the carbon atoms in the double bond cannot rotate Sat May 21 2016 · Why? Well simply because they can. Take a simple olefin "2-butene". Clearly its formula is C_4H_8 or H_3C-CH=CH-CH_3. Because the double bond extends above and below the plane of the molecule the pendant methyl groups cannot rotate with respect to each other. Thus this simple formula generates a pair of geometric isomers compounds that have identical connectivity (i.e. … Some alkenes have cis-trans isomers because … A The c...

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