Rank the following in the increasing order of rate of reaction with HBr:

R > P > Q

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R > Q > P

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P > R > S

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P > S > R

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Solution

The correct option is A R > P > Q

As refer to the above image presence of an electron releasing group. Since the double bond in resonance, more stable the structure hence more the rate of reaction.

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Rank the following in the increasing order of rate of reaction with HBr:

The correct option is A R > P > Q As refer to the above image presence of an electron releasing group. Since the double bond in resonance, more stable the structure hence more the rate of reaction.

The correct option is A R > P > Q

As refer to the above image presence of an electron releasing group. Since the double bond in resonance, more stable the structure hence more the rate of reaction.