12th Class Chemistry Alcohols, Phenols and Ethers / एल्कोहॉल, फीनॉल तथा ईथर Question Bank Assertion And Reason (MCQs) - Alcohols, Phenols and Ethers

  • question_answer
    Assertion : Boiling points of alcohols are lower than hydrocarbons.
    Reason : Among isomeric alcohols, boiling point decreases in the order :\[1{}^\circ \text{ }>\text{ }2{}^\circ \text{ }>\text{ }3{}^\circ \].

    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: D

    Solution :

    Alcohols undergo intermolecular H-bonding and hence, their boiling points are higher than those of hydrocarbons. Among isomeric alcohols, boiling point decreases in the order: \[1{}^\circ >2{}^\circ >3{}^\circ \].


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