Question

Identify the product Z in the series

$CH_{3}CN\overset{\quad Na + C_{2}H_{5}OH\quad}{\rightarrow}X\overset{\quad HNO_{2}\quad}{\rightarrow}Y\underset{H_{2}SO_{4}}{\overset{\quad K_{2}Cr_{2}O_{7}\quad}{\rightarrow}}Z$

• A. $CH_{3}CHO$
• B. $CH_{3}CONH_{2}$
• C. $CH_{3}COOH$
• D. $CH_{3}CH_{2}NHOH$

Answer 1

Answer: (C)

$CH_{3}COOH$

Answer 2

$CH_{3} - C \equiv N\underset{\text{Reduction}}{\overset{\quad Na + EtOH\quad}{\rightarrow}}CH_{3} - CH_{2} - NH_{2}$

$\overset{\quad HNO_{2}\quad}{\rightarrow}CH_{3}CH_{2} - OH\underset{H_{2}SO_{4}}{\overset{\quad K_{2}Cr_{2}O_{7}\quad}{\rightarrow}}CH_{3}COOH$