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JEE Main & Advanced Chemistry The Solid State / ठोस प्रावस्था Question Bank Crystal structure and Coordination number

  • question_answer
    Which of the following statement(s) is(are) correct [IIT 1998]

    A) The coordination number of each type of ion in \[CsCl\] crystal is 8

    B) A metal that crystallizes in \[bcc\] structure has a coordination number of 12

    C) A unit cell of an ionic crystal shares some of its ions with other unit cells

    D) The length of the unit cell in \[NaCl\] is 552 \[pm\] \[({{r}_{N{{a}^{+}}}}=95\,\,pm;\,\,\,{{r}_{C{{l}^{-}}}}=181\,\,pm)\]

    Correct Answer: A

    Solution :

    A metal that crystallizes in bcc structure has a co-ordination number of 8.


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