Shristy Maurya Asked a Question
August 10, 2020 10:35 pmpts 30 pts
20. NaCI, KCI, NaBr and KBr crystalline in FC lattices. Their anion and cation touch along the edge of unit cell. The dimensions of their unit cells are 562.8 pm, 627.7 pm, 596.2 pm, and 658.6 pm, respectively. From these data, what can you say about the size of the ionic radii (within an error of about 5%)?
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  • Priyanshu kumar Best Answer
    I think you can proceed with this formula for all these you find r+ and r- and check the various options...little bit lengthy calculations part
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    Priyanshu kumar
    calculate this shristy..check whether ans comes or not
  • Amol thankyou
    Option C is correct As they both depends on each other. The nature of alkali metal and the halogen both plays a equal parts in deciding the ionic radii
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    Shristy Maurya
    option a is given
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