Neet Solved Paper 2015 Question 36

Question: Treatment of cyclopentanone with methyl lithium gives which of the following species?

Options:

A) Cyclopentanonyl anion

B) Cyclopentanonyl cation

C) Cyclopentanonyl radical

D) Cyclopentanonyl biradical

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Answer:

Correct Answer: A

Solution:

  • Here, $ CH _3Li $ abstract is an active proton from cyclo pentanone forming methane leaving behind an intermediate lithium cyclopentanoyl anion.