Assertion- It is difficult to replace chlorine by −OH in chlorobenzene in comparison to that in chloroethane.
Reason: Chlorine-carbon (C−Cl) bond in chlorobenzene has a partial double bond character due to resonance.
(i) Assertion and reason both are correct and reason is correct explanation of assertion.
(ii) Assertion and reason both are wrong statements.
(iii) Assertion is correct but reason is wrong statement.
(iv) Assertion is wrong but reason is correct statement.
(v) Assertion and reason both are correct statements but reason is not correct explanation of assertion.
Assertion- It is difficult to replace chlorine by −OH in chlorobenzene in comparison to that in chloroethane.
Reason: Chlorine-carbon (C−Cl) bond in chlorobenzene has a partial double bond character due to resonance.
(i) Assertion and reason both are correct and reason is correct explanation of assertion.
(ii) Assertion and reason both are wrong statements.
(iii) Assertion is correct but reason is wrong statement.
(iv) Assertion is wrong but reason is correct statement.
(v) Assertion and reason both are correct statements but reason is not correct explanation of assertion.
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1 Answer
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This is a assertion and reason answer type question as classified in NCERT Exemplar
Due to resonance, a partial double bond character occurs in the bond between the C and Cl atoms in chlorobenzene, and we all know that changing a partial double bond character is more difficult than replacing a single bond as in the C - Cl bond in chloroethane.
Correct Answer: Option (i)
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