The reaction C H_2 = CH - C H_3 + HBr C H_3 CHBr - C H_3 is - Vidyadip

MCQ

The reaction $C{H_2} = CH - C{H_3} + HBr \to C{H_3}CHBr - C{H_3}$ is

A
Nucleophilic addition
✓
Electrophilic addition
C
Electrophilic substitution
D
Free radical addition

✓

Answer

Correct option: B.

Electrophilic addition

b
In this reaction, $HBr$ undergoes heterolytic fission as

$HBr \rightarrow H ^{+}+ Br ^{-}$

Therefore, this reaction show electrophilic addition reaction.

$CH _2= CH - CH _3+ HBr \longrightarrow CH _3-\stackrel{\oplus}{ C } H - CH _3 \stackrel{ Br ^{-}}{\longrightarrow} CH _3- CHBr - CH _3$

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