12th Class Chemistry The p-Block Elements-I / p-ब्लॉक के कुछ तत्व-I Question Bank Case Based - The p-Block Elements

  • question_answer
    Assertion: F atom has less negative electron affinity than Cl atom.
    Reason: Additional electrons are repelled more effectively by 3p- electrons in Cl than by 2p- electrons in F atom.

    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: C

    Solution :

    Additional electrons are repelled more effectively by   2p-electrons in F than by 3p- electrons in Cl atom.


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