1.

Assertion (A) : Boiling points of alkyl halides decrease in the order R-I gt R - Br gt R - Cl gt R-F Reason (R ) : van der Waals forces decrease with increase in the size of halogen atom.

Answer»

Both Assertion (A) and Reason (R ) are correct STATEMENTS, and Reason (R ) is the correct EXPLANATION of the Assertion (A).
Both Assertion (A) and Reason (R ) are correct statements, but Reason (R ) is not the correct explanation of the Assertion (A).
Assertion (A) is correct, but Reason (R ) is INCORRECT statement.
Assertion (A) is incorrect, but Reason (R ) is correct statement

Answer :C


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