JEE Main & Advanced Chemistry Classification of Elements and Periodicity in Properties Question Bank Atomic and lonic radii

  • question_answer The correct sequence of increasing covalent character is represented by  [CBSE PMT 2005]

    A) \[LiCl<NaCl<BeC{{l}_{2}}\]

    B) \[BeC{{l}_{2}}<NaCl<LiCl\]

    C) \[NaCl<LiCl<BeCl\]

    D) \[BeC{{l}_{2}}<LiCl<NaCl\]

    Correct Answer: C

    Solution :

    Order of polarising power \[B{{e}^{++}}>L{{i}^{+}}>N{{a}^{+}}\] Hence order of covalent character \[BeC{{l}_{2}}>LiCl>NaCl\]


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