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JEE Main 2013 Chemistry question

ChemistryHaloalkanes and HaloarenesJEE Main 2013

In nucleophilic substitution reaction, order of halogens as incoming (attacking) nucleophile is: The order of halogens as departing nucleophile should be :

Answer: (2)

Solution

Leaving-group ability improves as the anion becomes larger and more polarisable (and the C–X bond

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Question ID VK-104216