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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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