MEDIUMMCQ SINGLEJEE Advanced ChemistryInorganic ChemistryGOCPrevious Year Questions

Given: Which of the given compounds can exhibit tautomerism? (NEET 2015)

A.II and III

B.I and II✓ Correct

C.I, II and II

D.I and III

Explanation

In keto-enol tautomerism, presence of -hydrogen atoms is a must condition. Compound (I) & (II) have -hydrogen, so they can show tautomerism while compound (III) does not possess -hydrogen.

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