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JEE CHEMISTRY MCQ: HALOALKANES AND HALO ARENES
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Medium
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Understanding
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Assertion: Benzyl chloride undergoes nucleophilic substitution through mechanism.
Reason: Benzyl carbocation is resonance stabilized.
Reason: Benzyl carbocation is resonance stabilized.
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Correct option: A
Both assertion and reason are correct statements, and reason is the correct explanation of the assertion.
Option A is correct. Benzyl chloride undergoes SN1 mechanism due to the stability of the benzyl carbocation through resonance.
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An alkyl halide reacts with metallic sodium in dry ether. The reaction is known as :
In electrophilic substitution reaction of chlorobenzene, the chloro group:
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Assertion (A): The boiling points of alkyl halides decrease in the order:
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.
Reason (R): The boiling points of alkyl chlorides, bromides and iodides are considerably higher than that of the hydrocarbon of comparable molecular mass. Friedel-Craft’s reaction of bromobenzene with methyl iodide gives: