Question

The compounds given below can show tautomerisation.

Select the incorrect statement from the following regarding enolisation of the given compounds.

• A. $V$ is extensively enolized as compared to $IV$
• B. $IV$ is extensively enolized as compared to $V$
• C. $I$ is extensively enolized as compared to $II$
• D. Enol content of $III$ is more than that of $II$

Answer 1

The correct option is B $IV$ is extensively enolized as compared to $V$

Compound $I,III,$ and $V$ have an active methylene group, and hence, can be extensively enolised.