Question

and B are -

• A. A – Na/Liq. NH₃, B – CH₂N₂, hn
• B. A – Ni/H₂, B – CH₂ = C = O, hn
• C. A – Lindlar's catalyst, B – CH₂I₂/Zn
• D. All of the above

Answer 1

Answer: (C)

A – Lindlar's catalyst, B – CH₂I₂/Zn

Answer 2

A – Lindlar's catalyst – syn addition of H₂.

B – CH₂I₂/Zn, Participates in cyclisation in syn manner.