1. Tardigrade
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  3. Chemistry
  4. Which of the following reactions produce ethyl cyanide as a major product? 1) CH 3 CH 2 CH = NOH xrightarrow( CH 3 CO )2 O 2) CH 3 CH 2 Cl xrightarrow textEnthanolic KCN 3) CH 3 CH 2 Cl xrightarrow textEthanolic AgCN 4) C 3 CH 2 CON (CH 3)2 xrightarrow[ textpyridine 70°C]C6H5O2Cl

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Q. Which of the following reactions produce ethyl cyanide as a major product?
1) $CH _{3} CH _{2} CH = NOH \xrightarrow{\left( CH _{3} CO \right)_{2} O}$
2) $CH _{3} CH _{2} Cl\xrightarrow{\text{Enthanolic} KCN}$
3) $CH _{3} CH _{2} Cl\xrightarrow{\text{Ethanolic }AgCN}$
4) $C _{3} CH _{2} CON (CH _{3})_{2}\xrightarrow[\text{pyridine} 70^{\circ}C]{C_6H_5O_2Cl}$

AP EAMCETAP EAMCET 2020

Solution:

1) $CH _{3} CH _{2} CH = NOH \xrightarrow[-2CH_3COOH]{\left( CH _{3} CO \right)_{2} O} \underset{\text{Ethyl cyanide}}{CH_3CH_2CN}$
2) $CH _{3} CH _{2} Cl\xrightarrow[-KCl]{\text{Enthanolic} KCN}\underset{\text{(Major)}}{CH_3CH_2CN}$
3) $CH _{3} CH _{2} Cl\xrightarrow[-AgCl]{\text{Ethanolic }AgCN}\underset{\text{(major)}}{CH_3CH_2CN}$
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So, reactions $1$ and $2$ give ethyl cyanide as the major product.