NEET 2011 Chemistry question
Not in JEE Main or NEET syllabus
A solid compound XY has NaCl structure. If the radius of the cation is 100 pm, the radius of the anion () will be :
Answer: (3)
Solution
A NaCl-type (octahedral void, coordination number 6) structure has radius ratio for the limiting (ideal) case in which the cation just fits the octahedral
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