The reagent used for the preparation of higher ether from halogen… - Vidyadip

MCQ

The reagent used for the preparation of higher ether from halogenated ethers is

A
conc. ${H_2}S{O_4}$
B
Sodium alkoxide
C
Dry silver oxide
✓
Grignard reagent

✓

Answer

Correct option: D.

Grignard reagent

d
(d)$\underset{\begin{smallmatrix}
\text{Methoxymethane} \\
\,\,\,\text{(Lower}\,\text{ether)}
\end{smallmatrix}}{\mathop{C{{H}_{3}}OC{{H}_{3}}}}\,\xrightarrow{C{{l}_{2}}/hv}\underset{\alpha -\text{Chlorodimethyl}\,\text{ether}}{\mathop{C{{H}_{3}}OC{{H}_{2}}Cl}}\,$

$\underset{-MgBr(Cl)}{\mathop{\xrightarrow{C{{H}_{3}}MgBr}}}\,\underset{\begin{smallmatrix}
\text{Methoxyethane} \\
\,\,\text{(Higher}\,\text{ether)}
\end{smallmatrix}}{\mathop{C{{H}_{3}}OC{{H}_{2}}C{{H}_{3}}}}\,$

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