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NEET Sample Paper NEET Sample Test Paper-87

  • question_answer
    Hydrogen has an lonisation energy of 1311 kJ \[mo{{l}^{-1}}\] and for chlorine it is 1256 kJ \[mo{{l}^{-1}}.\] Hydrogen forms \[{{H}^{+}}\](aq) ions but chlorine does not form \[C{{l}^{+}}\](aq) ions because.

    A) \[{{H}^{+}}\] has lower hydration enthalpy.

    B) \[C{{l}^{+}}\]has lower hydration enthalpy.

    C) \[Cl\] has high electron affinity.

    D) \[Cl\]has high electronegativity.

    Correct Answer: B

    Solution :

    [b] Hydration energy of \[C{{l}^{+}}\] is very less than \[{{H}^{+}}\]hence it doesn't form \[C{{l}^{+}}\](aq) ion.


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