[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
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 …

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