JEE Main 2022 Chemistry question
Ionic radii of cation and anion are 102 and 181 pm respectively. These ions are allowed to crystallize into an ionic solid. This crystal has cubic close packing for is present in all octahedral voids. The edge length of the unit cell of the crystal AB is pm. (Nearest Integer)
Answer: 566
Solution
With in a ccp (fcc) arrangement and in all octahedral voids (the rock-salt
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