question_answer

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

A)                                                                                                                                                                          Cyclopentanonyl anion

B)  Cyclopentanonyl cation

C)  Cyclopentanonyl radical

D)  Cyclopentanonyl biradical

Correct Answer: A

Solution :

Here, \[C{{H}_{3}}Li\] abstract is an active proton from cyclo pentanone forming methane leaving behind an intermediate lithium cyclopentanoyl anion.