SATHEE: Alkyl Halides - Result Question 8

Alkyl Halides - Result Question 8

####8. The major product of the following reaction is

(2019 Main, 12 Jan II)

(a) $C H_{3} C H_{2} \underset{N H_{2}}{C H} - \underset{N H_{2}}{C H_{2}}$

(b) $C H_{3} C H = C H C H_{2} N H_{2}$

(d) $C H_{3} C H_{2} C \equiv C H$

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Answer:

Correct Answer: 8. (d)

Solution:

Key Idea Both alc. $K O H$ and $N a N H_{2}$ in liquid $N H_{3}$ are dehydrohalogenating reagents. On comparative terms $N a N H_{2} /$ liquid $N H_{3}$ is stronger in action.

The reaction proceeds as :

Thus, option (d) is the correct answer.

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Alkyl Halides - Result Question 8

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