MCQ
Ethyl acetate is obtained when methyl magnesium iodide reacts with
- AEthyl formate
- ✓Ethyl chloroformate
- CAcetyl chloride
- DCarbon dioxide
✓
Answer
Correct option: B.
Ethyl chloroformate
b
(b)$C{{H}_{3}}MgI+\underset{\text{Ethyl}\,\text{chloroformate}}{\mathop{Cl-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-O{{C}_{2}}{{H}_{5}}}}\,\to $ $\left[ {Cl - {\mkern 1mu} \mathop {\mathop {\mathop {\mathop {C - O{C_2}{H_5}}\limits^{|{\kern 1pt} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } }\limits_{|{\kern 1pt} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } {\mkern 1mu} }\limits^{\,\,\,\,OMgI\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } }\limits_{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } {\mkern 1mu} } \right]$ $ \to \mathop {C{H_3} - \mathop {\mathop C\limits^{||} {\mkern 1mu} }\limits^O {\mkern 1mu} - O{C_2}{H_5}}\limits_{{\text{Ethyl}}{\kern 1pt} {\text{acetate}}} {\mkern 1mu} $ $ + Mg{\mkern 1mu} < \begin{array}{*{20}{c}}
{Br} \\
{I{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} }
\end{array}$
(b)$C{{H}_{3}}MgI+\underset{\text{Ethyl}\,\text{chloroformate}}{\mathop{Cl-\overset{O}{\mathop{\overset{||}{\mathop{C}}\,}}\,-O{{C}_{2}}{{H}_{5}}}}\,\to $ $\left[ {Cl - {\mkern 1mu} \mathop {\mathop {\mathop {\mathop {C - O{C_2}{H_5}}\limits^{|{\kern 1pt} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } }\limits_{|{\kern 1pt} \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } {\mkern 1mu} }\limits^{\,\,\,\,OMgI\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } }\limits_{C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} {\kern 1pt} } {\mkern 1mu} } \right]$ $ \to \mathop {C{H_3} - \mathop {\mathop C\limits^{||} {\mkern 1mu} }\limits^O {\mkern 1mu} - O{C_2}{H_5}}\limits_{{\text{Ethyl}}{\kern 1pt} {\text{acetate}}} {\mkern 1mu} $ $ + Mg{\mkern 1mu} < \begin{array}{*{20}{c}}
{Br} \\
{I{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} }
\end{array}$
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