Neet Solved Paper 2015 Question 40

Question: Given, Which of the given compounds can exhibit tautomerism?

Options:

A) I and II

B) I and III

C) II and III

D) I, II and III

Show Answer

Answer:

Correct Answer: D

Solution:

  • In keto-enol tautomerism ketone form should have $ \alpha $ -hydrogen (structure I and II). I.

II.

III. Here, $ \gamma $ -H participates in tautomerism.