A solid compound PQ has CsCI structure. If the radius of cation is 120 pm then find radius of anion ?
A solid compound PQ has CsCI structure. If the radius of cation is 120 pm then find radius of anion ?
A. 88 pm
B. 140 pm
C. 164 pm
D. 120 pm
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Correct Answer - C
`CsCIto"cation in cation in cubic void"`
`(r^(+))/(r^(-))=0.732`
`r^(-)=(120)/(0.732)=164 "pm"`
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