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Heterolytic Cleavage

Assertion :A ...

Question

Assertion :A free radical is paramagnetic species. Reason: A free radical is formed in homolytic fission of covalent bond.

A

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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B

Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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C

Assertion is correct but Reason is incorrect

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D

Both Assertion and Reason are incorrect

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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
A free radical is an atom or group of atoms that has an unpaired electron and is, therefore, unstable and highly reactive. It is paramagnetic.
The formation of radicals may involve the breaking of a covalent bond by homolysis, a process that requires significant amount of energy.

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