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A salt AB cystallises in the CsCl struct...

A salt AB cystallises in the CsCl structure. The anions at the corners and the cation in the centre. Hence, radius ratio `r_(+)//r_(-)`

A

0.225

B

0.441

C

0.625

D

0.732

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The correct Answer is:
4
for bcc `r_(c)//r_(a)=0.732` or above
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