A) Only symmetrical ethers
B) Only symmetrical ethers
C) Both types
D) None of these
Correct Answer: C
Solution :
\[C{{H}_{3}}CONa+Br-C{{H}_{3}}\to \underset{\begin{smallmatrix} \text{ Dimethyl ether} \\ \text{(symmetrical ether)} \end{smallmatrix}}{\mathop{C{{H}_{3}}-O-C{{H}_{3}}}}\,+NaBr\] \[C{{H}_{3}}-\underset{C{{H}_{3}}\ \ \ \ \ \ \,}{\overset{C{{H}_{3}}\ \ \ \ \ \ }{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,-{{O}^{-}}Na}}}\,+C{{H}_{3}}Br\to \underset{\begin{smallmatrix} \text{Methyl ter-butyl ether} \\ \text{(unsymmetrical ether)} \end{smallmatrix}}{\mathop{C{{H}_{3}}-\underset{C{{H}_{3}}\ \ \ \ \ \ \ }{\overset{C{{H}_{3}}\ \ \ \ \ \ \ }{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,-OC{{H}_{3}}}}}\,}}\,+NaBr\]
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