The order stability of the following carbocations:

III > II > I

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II > III > I

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I > II > III

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III > I > II

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Solution

The correct option is D III > I > II
Higher stability of allyl and aryl substituted methyl carbocation is due to dispersal of positive charge due to resonance

whereas in alkyl carbocations dispersal fo positive charge on different hydrogen atoms is due to hyper conjgation hence the correct order of stability will be

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