Which of the following is not resonating structure of each other? - Vidyadip

MCQ

Which of the following is not resonating structure of each other?

✓
$CH_3 - N = C = S$ and $CH_3 -S -C \equiv N$
B
$C{H_3} - \mathop C\limits^ + = O$ and $C{H_3} - C \equiv \mathop O\limits^ + $
C
$\begin{array}{*{20}{c}}
{\,\,O}\\
{\,\,||}\\
{C{H_3} - C - OH}
\end{array}$ and $\begin{array}{*{20}{c}}
{O\,\,}\\
{|\,\,}\\
{C{H_3} - C = \mathop O\limits^ + - H}
\end{array}$
D
$C{H_2} = CH - C \equiv N$ and $\mathop C\limits^ + {H_2} = CH = C = {N^ - }$

✓

Answer

Correct option: A.

$CH_3 - N = C = S$ and $CH_3 -S -C \equiv N$

a
$(a)$ In resonance we cannot chang position of atom.

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