If the radii of A+ and B− are 95pm and 181pm respectively, then the coordination number of A+ will be?
A
12
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B
8
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C
6
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D
4
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Solution
The correct option is C6 Radius ratio can be calculated as : r+r−=95181=0.52 The ratio from 0.414 to 0.732 corresponds to octahedral void. and coordination number is 6.