Which of the following has minimum reactivity towards nucleophile… - Vidyadip

MCQ

Which of the following has minimum reactivity towards nucleophiles ?

A
$CH_2O$
B
$CH_3CHO$
C
$\begin{array}{*{20}{c}}
O \\
{||} \\
{C{H_3} - C - C{H_3}}
\end{array}$
✓
$\begin{array}{*{20}{c}}
{O\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - C - C{H_2} - C{H_3}}
\end{array}$

✓

Answer

Correct option: D.

$\begin{array}{*{20}{c}}
{O\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{||\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{C{H_3} - C - C{H_2} - C{H_3}}
\end{array}$

d
$-CH_3$ is activating group
$-NO_2$ is stongly deactivating group
$-Cl$ is weekly deactivating group

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