Organic Chemistry Some Basic Principles And Techniques Ques 25
25. Tautomerism will be exhibited by
[1997]
(a) $(CH_3)_2 NH$
(b) $(CH_3)_3 CNO$
(c) $R_3 CNO_2$
(d) $RCH_2 NO_2$
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Solution:
- (d) As option (d) has $\alpha$-hydrogen atom. Therefore it shows tautomerism whereas other structures do not.
Tautomerism is exhibited by the oscillation of hydrogen atom between two polyvalent atoms present in the molecule.
BETA
