NEET Sample Paper NEET Sample Test Paper-39

  • question_answer 80) Which of the following compounds has the lowest melting point?

    A) \[Ca{{F}_{2}}\]        

    B) \[CaC{{l}_{2}}\]

    C) \[~CaB{{r}_{2}},\]       

    D) \[Ca{{I}_{2}}\]

    Correct Answer: D

    Solution :

    \[Ca{{l}_{2}}\] has maximum covalent character due to large size of anion and possesses lowest energy. Thus, melting point is lowest.

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