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JEE Main & Advanced Chemistry The Solid State / ठोस प्रावस्था Question Bank Mathematical analysis of cubic system and Bragg's equation

  • question_answer
    For an ionic crystal of the general formula \[AX\] and coordination number 6, the value of radius ratio will be [MP PMT 1993]

    A)                 Greater than 0.73

    B)                 In between 0.73 and 0.41

    C)                 In between 0.41 and 0.22

    D)                 Less than 0.22

    Correct Answer: B

    Solution :

              The structural arrangement of co-ordination number ?6? is octahedral and its radius ratio is \[0.414-0.732\]. The example of octahedral is \[KCl\] and \[NaCl\].


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