Question

Tautomerism is exhibited by

• A. $(M{e}_{3}CCO{)}_{3}CH$
• B.
• C.
• D.

Answer 1

Answer: (A), (B), (D)

Availability of acidic $\alpha -H$ - atoms at $\left({}^{\ast }\right)$ marked positions, enable the compounds to show ketoenol tautomerism.