question_answer

Which of the following is an example of diastereomers?

A) Two gauche forms of butane.

B) Products of bromination of cis-2-butene in the presence of \[CC{{l}_{4}}\].

C) Gauche and anti-forms of butane.

D) Both (a) and (c).

Correct Answer: C

Solution :

[c] Two gauche forms of butane are same. But gauche and anti forms are different. So, they are diastereomers.