MCQ
The reagent used for the preparation of higher ether from halogenated ethers is
- Aconc. ${H_2}S{O_4}$
- BSodium alkoxide
- CDry silver oxide
- ✓Grignard reagent
✓
Answer
Correct option: D.
Grignard reagent
d
(d)$\underset{\begin{smallmatrix}
\text{Methoxymethane} \\
\,\,\,\text{(Lower}\,\text{ether)}
\end{smallmatrix}}{\mathop{C{{H}_{3}}OC{{H}_{3}}}}\,\xrightarrow{C{{l}_{2}}/hv}\underset{\alpha -\text{Chlorodimethyl}\,\text{ether}}{\mathop{C{{H}_{3}}OC{{H}_{2}}Cl}}\,$
(d)$\underset{\begin{smallmatrix}
\text{Methoxymethane} \\
\,\,\,\text{(Lower}\,\text{ether)}
\end{smallmatrix}}{\mathop{C{{H}_{3}}OC{{H}_{3}}}}\,\xrightarrow{C{{l}_{2}}/hv}\underset{\alpha -\text{Chlorodimethyl}\,\text{ether}}{\mathop{C{{H}_{3}}OC{{H}_{2}}Cl}}\,$
$\underset{-MgBr(Cl)}{\mathop{\xrightarrow{C{{H}_{3}}MgBr}}}\,\underset{\begin{smallmatrix}
\text{Methoxyethane} \\
\,\,\text{(Higher}\,\text{ether)}
\end{smallmatrix}}{\mathop{C{{H}_{3}}OC{{H}_{2}}C{{H}_{3}}}}\,$
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