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JEE Main & Advanced Chemistry Chemical Bonding and Molecular Structure / रासायनिक आबंधन एवं आणविक संरचना Question Bank Self Evaluation Test - Chemical Bonding and Molecular Structure

  • question_answer
    Amongst \[LiCl\],\[RbCl\],\[BeC{{l}_{2}}\], and \[Mg{{C}_{2}}\], the compounds with the greatest and the least ionic character, respectively are:   

    A) \[LiCl\]and \[RbCl\]  

    B) \[RbCl\] and \[BeC{{l}_{2}}\],

    C) \[MgC{{l}_{2}}\] and \[BeC{{l}_{2}}\]

    D) \[RbCl\] and  \[MgC{{l}_{2}}\]

    Correct Answer: B

    Solution :

    [b] According to Fajan's rule smaller, highly charged cation has greatest covalent character while large cation with smaller charge has greatest ionic character.


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