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JEE Main202324 Jan 2023Morning ShiftChemistryHaloalkanes and HaloarenesActual

In the following given reaction ' A ' is

Correct answer

2

Step-by-step solution

In the positive part of the addendum added to the alkene according to Markonikov's rule. A tertiary carbocation is generated undergo ring expansion as five membered rings is more stable than four membered rings.

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