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Addition Reactions

A hydrocarbon...

Question

A hydrocarbon (X) having formula $C_{5} H_{10}$ reacts with HI to give (Y) which on reacting with alc. KOH forms (Z). The hydrocarbon is

A

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B

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C

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D

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Solution

The correct option is B
Final product and starting material must be different.

Start from product then proceed backwards. First step is electrophilic addition of HI to the alkene and dehydrohalogenation in presence of alc. KOH.

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Addition Reactions

Standard XII Chemistry

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