MHT CET Chemistry question
Not in JEE Main or NEET syllabus
A binary solid () has a rock salt structure. If the edge length is 400 pm and radius of cation is 75 pm, the radius of anion is
Answer: (B)
Solution
In the rock salt structure a = 2(r+ + r-), so r- = 400/2 - 75 = 125 pm;
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