12th Class Chemistry Haloalkanes and Haloarenes / हैलोएल्केन तथा हैलोएरीन्स Question Bank Assertion And Reason (MCQs) - Haloalkanes and Haloarenes

  • question_answer
    Assertion: Boiling point of alkyl halides increases with increase in molecular weight.
    Reason: Boiling point of alkyl halides is in the order\[RI\text{ }>\text{ }RBr\text{ }>\text{ }RCI\text{ }>RF\].

    A) Assertion and reason both are correct statements and reason is correct explanation for assertion.

    B) Assertion and reason both are correct statements but reason is not correct explanation for assertion.

    C) Assertion is correct statement but reason is wrong statement.

    D) Assertion is wrong statement but reason is correct statement.

    Correct Answer: B

    Solution :

    Greater the molecular mass, stronger the van der Waals' forces of attraction and hence higher is the melting point/boiling point.


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