Hydrocarbons Question 221
Question: Identify Z in the following series $ CH_2=CH_2\xrightarrow{HBr}X\xrightarrow{Hydrolysis}Y\underset{I_2\text{ excess}}{\mathop{\xrightarrow{Na_2CO_3}}}Z $ [AIIMS 1983; RPMT 1999]
Options:
A) $ C_2H_5I $
B) $ C_2H_5OH $
C) $ CHI_3 $
D) $ CH_3CHO $
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Answer:
Correct Answer: C
Solution:
$ CH_2=CH_2\xrightarrow{HBr}CH_3-\underset{\underset{Br}{\mathop{|}}}{\mathop{CH_2}}\xrightarrow{Hydrolysis} $
$ CH_3-\underset{\underset{OH}{\mathop{|}}}{\mathop{CH_2}}\underset{I_2excess}{\mathop{\xrightarrow{Na_2CO_3}}}\underset{\begin{smallmatrix} Yellowppt \\ ( Iodoform ) \end{smallmatrix}}{\mathop{CHI_3}} $
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