Hydrocarbons Question 355

Question: Markownikoff’s rule provides guidance of addition of HBr on [MNR 1994]

Options:

A) $ CH_2=CH_2 $

B) $ CH_3-CH_2-CH_3 $

C) $ CH_3CH=CHCH_3 $

D) $ CH_2=CHBr $

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Answer:

Correct Answer: D

Solution:

$ CH_2=CH-Br\xrightarrow{HBr}CH_3-CH<\begin{matrix} Br \\ Br \\ \end{matrix} $ According to Markownikoff’s rule H atom or positive part goes to that carbon atom which is more hydrogenated.