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JEE CHEMISTRY MCQ: HALOALKANES AND HALO ARENES
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For the same alkyl (or) aryl group, boiling point, is more for
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Correct option: A
Option A () is correct because as the size of the halogen increases, the van der Waals forces increase, leading to a higher boiling point.
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An alkyl halide reacts with metallic sodium in dry ether. The reaction is known as :
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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: