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JEE Main & Advanced Chemistry The s-Block Elements / s-ब्लॉक के तत्व Question Bank Alkaline Earth Metals

  • question_answer
    The correct order of the increasing ionic character is [MNR 1991; AFMC 1998]

    A) \[BeC{{l}_{2}}<MgC{{l}_{2}}<CaC{{l}_{2}}<BaC{{l}_{2}}\]

    B) \[BeC{{l}_{2}}<MgC{{l}_{2}}<BaC{{l}_{2}}<CaC{{l}_{2}}\]

    C) \[BeC{{l}_{2}}<BaC{{l}_{2}}<MgC{{l}_{2}}<CaC{{l}_{2}}\]

    D) \[BaC{{l}_{2}}<CaC{{l}_{2}}<MgC{{l}_{2}}<BeC{{l}_{2}}\]

    Correct Answer: A

    Solution :

    \[BeC{{l}_{2}}<MgC{{l}_{2}}<CaC{{l}_{2}}<BaC{{l}_{2}}\] As we go down the group I.E. decreases. Hence ionic character increases.


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