JEE Advanced Chemistry question

Which of the following can exist in syn and anti forms?

(A)
(B)Correct
(C)Correct
(D)

Answer: (B),(C)

Solution

Syn/anti (E/Z-type) isomerism about a or double bond requires the two groups on each doubly-bonded atom to be distinguishable. In (a), has two identical phenyl groups on the same carbon, so there is no distinct syn/anti pair. In (d), (acetoxime) likewise has two identical

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Question ID VK-159247