Carboxylic Acids Question 20
Question: $ {{(CH_3)}_2}CO\underset{(HCl)}{\mathop{\xrightarrow{NaCN}}}A\underset{\Delta }{\mathop{\xrightarrow{H_3{O^{+}}}}}B $ In the above sequence of reactions A and B are
[CPMT 2000]
Options:
A) $ {{(CH_3)}_2}C(OH)CN,{{(CH_3)}_2}C(OH)COOH $
B) $ {{(CH_3)}_2}C(OH)CN,{{(CH_3)}_2}C{{(OH)}_2} $
C) $ {{(CH_3)}_2}C(OH)CN,{{(CH_3)}_2}CHCOOH $
D) $ {{(CH_3)}_2}C(OH)CN,{{(CH_3)}_2}C=O $
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Answer:
Correct Answer: A
Solution:
$ \begin{matrix} CH_3 \\ CH_3 \\ \end{matrix}>C=O\underset{(HCl)}{\mathop{\xrightarrow{NaCN}}} $
$ \underset{(A)}{\mathop{\begin{matrix} CH_3 \\ CH_3 \\ \end{matrix}>C<\begin{matrix} OH \\ CN \\ \end{matrix}}} $
$ \underset{\Delta }{\mathop{\xrightarrow{H_3^{+}O}}}\underset{(B)}{\mathop{\begin{matrix} CH_3 \\ CH_3 \\ \end{matrix}>C<\begin{matrix} OH \\ \ COOH \\ \end{matrix}}} $
BETA
