Sponsor Area

Aldehydes, Ketones And Carboxylic Acids

Question
CBSEENCH12011085

Treatment of cyclopentanone 

methyl lithium gives which of the following species?

  • Cyclopentanonyl anion

  • Cyclopentanonyl cation

  • Cyclopentanonyl radical

  • Cyclopentanonyl biradical

Solution

A.

Cyclopentanonyl anion


Here, CH3Li abstract is an active proton from cyclo pentanone forming methane leaving behind an intermediate lithium cyclopentanoyl anion.