12th Class Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank Assertion And Reason (MCQs) - The p Block Elements

  • question_answer
    Assertion: The acidic strength of halogen acids decreases in the order :
     \[HF\text{ }>\text{ }HCl\text{ }>\text{ }HBr\text{ }>\text{ }HI\]
    Reason: The bond dissociation enthalpy of halogen acids decreases in the order
    \[HF\text{ }>\text{ }HCl\text{ }>\text{ }HBr\text{ }>\text{ }HI\]

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

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

    C) If assertion is correct but reason is incorrect.

    D) If assertion is wrong, but reason is correct.

    Correct Answer: D

    Solution :

    Correct assertion : The acidic strength of halogen adids decreases in the order : \[HI>HBr>HCl>HF\]


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