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Question: What is the final product of reaction. CH3 - C ŗ CH\(\xrightarrow { \mathrm { Na } }\) \(\xrightarr...

What is the final product of reaction.

CH3 - C ŗ CH→Na\xrightarrow { \mathrm { Na } } →CH3−CH2−I\xrightarrow { \mathrm { CH } _ { 3 } - \mathrm { CH } _ { 2 } - \mathrm { I } } Product

A

CH2=CH-CH2-CH3

B

CH3-CH2-CŗC-CH2-CH3

C

CH≡C−CH2−CH2−CH3\mathrm { CH } \equiv \mathrm { C } - \mathrm { CH } _ { 2 } - \mathrm { CH } _ { 2 } - \mathrm { CH } _ { 3 }

D

CH3−C≡C−CH2−CH3\mathrm { CH } _ { 3 } - \mathrm { C } \equiv \mathrm { C } - \mathrm { CH } _ { 2 } - \mathrm { CH } _ { 3 }

Answer

CH3−C≡C−CH2−CH3\mathrm { CH } _ { 3 } - \mathrm { C } \equiv \mathrm { C } - \mathrm { CH } _ { 2 } - \mathrm { CH } _ { 3 }

Explanation

Solution

$\text{C}\text{H}{3}\text{ - C} \equiv \text{ CH}\overset{\quad\text{Na}\quad}{\rightarrow}\text{ C}\text{H}{3}\text{ - C} \equiv \text{C-N}\text{a}^{+} $$$\underset{S_{N}2}{\overset{\quad\text{C}\text{H}{3} - CH{2} - I\quad}{\rightarrow}}\text{C}\text{H}{3} - C \equiv C - CH{2} - CH_{3}$$