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Question: \(CH_{3}CH_{2}Cl\overset{\quad NaCN\quad}{\rightarrow}X\overset{\quad Ni/H_{2}\quad}{\rightarrow}Y\u...

CH3CH2Cl→NaCNX→Ni/H2Y→AceticanhydrideZ.CH_{3}CH_{2}Cl\overset{\quad NaCN\quad}{\rightarrow}X\overset{\quad Ni/H_{2}\quad}{\rightarrow}Y\underset{anhydride}{\overset{\quad Acetic\quad}{\rightarrow}}Z. Z in the above reaction is.

A

CH3CH2CH2NHCOCH3CH_{3}CH_{2}CH_{2}NHCOCH_{3}

B

CH3CH2CH2NH2CH_{3}CH_{2}CH_{2}NH_{2}

C

CH3CH2CH2CONHCH3CH_{3}CH_{2}CH_{2}CONHCH_{3}

D

CH3CH2CH2CONHCOCH3CH_{3}CH_{2}CH_{2}CONHCOCH_{3}

Answer

CH3CH2CH2NHCOCH3CH_{3}CH_{2}CH_{2}NHCOCH_{3}

Explanation

Solution

: CH3CH2Cl→NaCN(X)CH3CH2CN→Ni/H2CH_{3}CH_{2}Cl\underset{(X)}{\overset{\quad NaCN\quad}{\rightarrow}}CH_{3}CH_{2}CN\overset{\quad Ni/H_{2}\quad}{\rightarrow}

CH3CH2CH2NH2(Y)→(CH3CO)2OCH3CH2CH2NHCOCH3(Z)\underset{(Y)}{CH_{3}CH_{2}CH_{2}NH_{2}}\overset{\quad(CH_{3}CO)_{2}O\quad}{\rightarrow}\underset{(Z)}{CH_{3}CH_{2}CH_{2}NHCOCH_{3}}