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NEET Sample Paper NEET Sample Test Paper-77

  • question_answer
    On dissolving moderate amount of sodium metal in liquid \[{{\operatorname{NH}}_{3}}\] at low temperature, which of the following does not occur?

    A)  \[{{\operatorname{Na}}^{+}}\] ions are formed in the solution

    B)  Blue coloured solution is obtained

    C)  Liquid \[N{{H}_{3}}\] becomes good conductor of electricity

    D)  Liquid \[N{{H}_{3}}\] remains diamagnetic

    Correct Answer: C

    Solution :

    On dissolving moderate amount of sodium metal in liquid \[{{\operatorname{NN}}_{3}}\] at low temperature, that liquid NH, becomes paramagnetic due to presence of free electrons.


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