Which of the following biphynyl is optically active? – InterviewSolution

InterviewSolution

1.	Which of the following biphynyl is optically active?
Answer» SOLUTION :o-Substituted diphenyl having bulky GROUPS on both the o-positions of each benzene ring are optically active since the two benzene rings due to STERIC hindrance lie in prependicular planes and hence their mirror IMAGES are non-superimposable as shown below: Non-superimposible mirror images (optically active).

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