Which of the Statements About the Properties of the Carbon-Carbon

Multiple Choice

Which of the statements about the properties of the carbon-carbon double bond is not true?

A) There is restricted rotation around the carbon-carbon double bond.
B) Whenever the two groups on each end of a carbon-carbon double bond are the same,two diastereomers are possible.
C) Trans alkenes are generally more stable than cis alkenes.
D) The stability of the carbon-carbon double bond increases as the number of substituent groups increases.