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NEET Chemistry The Solid State / ठोस प्रावस्था Question Bank Self Evaluation Test - The Solid State

  • question_answer
    AB; crystallizes in a body centred cubic lattice with edge length 'a' equal to 387 pm. The distance between two oppositely charged ions in the lattice is

    A) 335 pm   

    B) 250 pm

    C) 200 pm     

    D) 300 pm

    Correct Answer: A

    Solution :

    [a] For bcc lattice body diagonal \[=a\sqrt{3}\]. The distance between the two oppositely charged ions \[=\frac{a}{2}\sqrt{3}=\frac{387\times 1.732}{2}=335\,pm\]


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