C H _ 3 -C H _ 2 -C H _ 2 -C CH+ Lithium , amide LiN H _ 2 , (A) … - Vidyadip

MCQ

$C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-C\equiv CH+\underset{\begin{smallmatrix}
Lithium\, \\
amide
\end{smallmatrix}}{\mathop{LiN{{H}_{2}}}}\,\to (A)\xrightarrow{{{(C{{H}_{3}})}_{2}}S{{O}_{4}}}(B)$

Give the structural formula of compound $(B)$

A
$CH_3 -(CH_2)_2 - C \equiv C -SO_3H$
✓
$CH_3 - (CH_2)_2 - C \equiv C -CH_3$
C
$C{{H}_{3}}-{{(C{{H}_{2}})}_{2}}-C\equiv C-C{{H}_{2}}-\begin{matrix}
O \\
|| \\
O-S-H \\
|| \\
O \\
\end{matrix}$
D
$CH_3 -CH_2 - C \equiv C - CH_2$

✓

Answer

Correct option: B.

$CH_3 - (CH_2)_2 - C \equiv C -CH_3$

b

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