| In the following sequence of reactions, [AIPMT (S) 2012] |
| \[C{{H}_{3}}-Br\xrightarrow[{}]{KCN}A\xrightarrow[{}]{{{H}_{3}}{{O}^{+}}}B\xrightarrow[ether]{LiAl{{H}_{4}}}C\] the end product is |
A) acetone
B) methane
C) acetaldehyde
D) ethyl alcohol
Correct Answer: D
Solution :
[d]\[\underset{methyal\,bromide}{\mathop{C{{H}_{3}}Br}}\,\xrightarrow[-KBr]{KCN}\underset{\begin{smallmatrix} ethane\,nitrile \\ 'A' \end{smallmatrix}}{\mathop{C{{H}_{3}}CN}}\,\xrightarrow[{}]{{{H}_{3}}{{O}^{+}}}\underset{\begin{smallmatrix} ethanoic\,aicd \\ 'B' \end{smallmatrix}}{\mathop{C{{H}_{3}}COOH}}\,\] \[\xrightarrow[ehter]{LiAl{{H}_{4}}}\underset{\begin{smallmatrix} ethanol \\ 'C' \end{smallmatrix}}{\mathop{C{{H}_{3}}C{{H}_{2}}OH}}\,\]
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