Alcohols Phenols And Ethers Question 205
Question: The reagent used for the preparation of higher ether from halogenated ethers is
[Tamil Nadu CET 2001]
Options:
A) conc. $ H_2SO_4 $
B) Sodium alkoxide
C) Dry silver oxide
D) Grignard reagent
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Answer:
Correct Answer: D
Solution:
$ \underset{\begin{smallmatrix} Methoxymethane \\ \text{(Lower}\text{ether)} \end{smallmatrix}}{\mathop{CH_3OCH_3}}\xrightarrow{Cl_2/hv}\underset{\alpha -Chlorodimethylether}{\mathop{CH_3OCH_2Cl}} $
$ \underset{-MgBr(Cl)}{\mathop{\xrightarrow{CH_3MgBr}}}\underset{\begin{smallmatrix} Methoxyethane \\ \text{(Higher}\text{ether)} \end{smallmatrix}}{\mathop{CH_3OCH_2CH_3}} $
BETA
