A) Only symmetrical ethers
B) Only asymmetrical ethers
C) Both (a) and (b)
D) None of the above
Correct Answer: C
Solution :
For synthesis of symmetrical ethers \[C{{H}_{3}}{{O}^{-}}N{{a}^{+}}+BrC{{H}_{3}}\xrightarrow{{}}\underset{\begin{smallmatrix} \dimethyl\,ether \\ (symmetrical\,ether) \end{smallmatrix}}{\mathop{C{{H}_{3}}OC{{H}_{3}}}}\,+NaBr\] For synthesis of asymmetrical ethers \[C{{H}_{3}}-\underset{C{{H}_{3}}}{\overset{C{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,-{{O}^{-}}N{{a}^{+}}+C{{H}_{3}}Br\] \[\xrightarrow{{}}C{{H}_{3}}-\underset{C{{H}_{3}}}{\overset{C{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,-O-C{{H}_{3}}+NaBr\] Meyhl ter-butyl ether (asymmetrical ether)
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