NEET Sample Paper NEET Sample Test Paper-8

  • question_answer
    Based on lattice energy and other considerations which one of the following alkali metal chlorides is expected to have the highest melting point?

    A)  \[RbCl\]                      

    B)  \[KCl\]

    C)  \[NaCl\]            

    D)  \[LiCl\]

    Correct Answer: C

    Solution :

    On moving down in the group, ionic character increases, hence melting point of halides should increase but \[NaCl\] has the highest melting point due to its high lattice energy.


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