Question

Reactant (A) in this reaction can be :

• A.
• B.
• C.
• D. Both (b) and (c)

Answer 1

The correct option is D Both (b) and (c)

In first step ozonolysis takes place followed by Wolff-Kishner reduction of carbonyl to hydrocarbon.
Since, the product have single phenyl ring, the phenyl group should attached to both the carbons of the double bond either in cis or trans relation.
The reaction is given below

Hence, option (d) is correct.