Question

Tautomerism will be exhibited by

• A. $(CH_3)_3 CNO$
• B. $(CH_3)_2NH$
• C. $R_3CNO_2$
• D. $RCH_2NO_2$

Answer 1

Answer: (D)

$RCH_2NO_2$

Answer 2

It is due to the presence of ct-hydrogen atom in
- NO$_2$ and - NO compounds.