JEE Main & Advanced JEE Main Paper (Held On 19 April 2014)

  • question_answer
    Amongst \[LiCl,RbCl,BeC{{l}_{2}}\] and \[MgC{{l}_{2}}\] the compounds with the greatest and the least ionic character, respectively are:     JEE Main Online Paper (Held On 19 April 2016)

    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 :

    According to Fajan?s rules smaller, highly charged cation has greatest covalent character while large cation with smaller charge has greatest ionic character.


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