Which of the following compound does not react with $H_{2} / N i$ ?
1) Propanenitrile
2) Methylethanoate
3) Pentan-2-one
4) Ethanoic acid
5) Benzencarbonylchloride
6) But-1-yne
7) Propanamide
8) Nitroethane

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Solution

$H_{2} / N i$ is a reducing agent and causes hydrogenation in compounds.
$1) C H_{3} C H_{2} C N H_{2} / N i \to C H_{3} C H_{2} C H_{2} N H_{2}$

$2) C H_{3} C O O C H_{3} H_{2} / N i \to C H_{3} C H_{2} O H + C H_{3} O H$

$3) C H_{3} - C O - C H_{2} C H_{2} C H_{3} H_{2} / N i \to C H_{3} C H (O H) C H_{2} C H_{2} C H_{3}$

$4) C H_{3} C O O H H_{2} / N i \to C H_{3} C H_{2} O H + H_{2} O$

$5) C_{6} H_{5} C O C l H_{2} / N i \to C_{6} H_{11} - C H_{2} - O H$

$6) H C ¯ ¯¯ ¯ = C C H_{2} C H_{3} H_{2} / N i \to C H_{3} C H_{2} C H_{2} C H_{3}$

$7)$ Propanamide does not react with $H_{2} / N i$ .

$8) C H_{3} C H_{2} N O_{2} H_{2} / N i \to C H_{3} C H_{2} N H_{2}$

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