2- chloro -2- methylpentane on reaction with sodium methoxide in … - Vidyadip

MCQ

$2-$ chloro $-2-$ methylpentane on reaction with sodium methoxide in methanol yields :

$(1)\,\,\begin{array}{*{20}{c}}
{\,\,\,\,\,\,C{H_3}} \\
| \\
{{C_2}{H_5}C{H_2}C - OC{H_3}} \\
| \\
{\,\,\,\,\,\,\,\,C{H_3}}
\end{array}$

$(2)\,\,\begin{array}{*{20}{c}}
{{C_2}{H_5}C{H_2}C = C{H_2}} \\
{\,\,\,\,|} \\
{\,\,\,\,\,\,\,\,\,\,C{H_3}}
\end{array}$

$(3)\,\,\begin{array}{*{20}{c}}
{{C_2}{H_5}CH = C - C{H_3}} \\
{\,\,\,\,\,\,\,\,\,\,\,|} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}}
\end{array}$

✓
$(3)$ only
B
$(1)$ and $(2)$
C
All of these
D
$(1)$ and $(3)$

✓

Answer

Correct option: A.

$(3)$ only

a
When ter - alky thalides are used in Willamson synination occurs rather than substitution resuting into formation af alkene. Here alkoxide jon abstract one of the $\beta$ hydrogen atom along with acting as a nucleophile.

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{\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,\,\,\,\,\,\,\,\,} \\
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