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A solid compound XY has NaCl structure. ...

A solid compound `XY` has `NaCl` structure. If the radius of the cation is `100` pm, the radius of the anion `(Y^(-))` will be

A

`241.5` pm

B

`165.7` pm

C

`275.1` pm

D

`322.5` pm

Text Solution

Verified by Experts

The correct Answer is:
A
Radius ratio of NaCl like crystal `=(r^(+))/(r^(-))=0.414`
`r^(-)=(100)/(0.414)=241.5` pm
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