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The addition of HCl to an alkene proceed...

The addition of `HCl` to an alkene proceeds in two steps. The first step is the attack of `H^(+)` ion `C = C` portion which can be shown as

A

B

C

D

All of these are possible

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The correct Answer is:
B
It is the correct representation since double bond has

high electron density, it provides electron pair for attack on `H^(+)`. A carbocation results.
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