MHT CET Chemistry question
Not in JEE Main or NEET syllabus
KCl crystallizes in the same type of lattice as does NaCl. Given that and calculate the ratio of the unit cell of KCl to that of NaCl.
Answer: (A)
Solution
Edge length , so ratio \dfrac{r_{K^+}+r_{Cl^-}}{r_{Na^+}+r_{Cl^-}}\dfrac{1.74}{1.55}$=1.123
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