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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
    Potassium fluoride has \[NaCl\] type structure. What is the distance between \[{{K}^{+}}\] and \[{{F}^{-}}\] ions if cell edge is \[a\,\,cm\]

    A)                 \[2a\,\,cm\]

    B)                 \[a/2\,\,cm\]

    C)                 \[4a\,\,cm\]      

    D)                 \[a/4\,\,cm\]

    Correct Answer: B

    Solution :

              Distance between \[{{K}^{+}}\] and \[{{F}^{-}}=\frac{1}{2}\times \]length of the edge


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