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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

`275.1 "pm"`

B

`322.5 "pm"`

C

`241.5 "pm"`

D

`165.7 "pm"`

Text Solution

Verified by Experts

The correct Answer is:
C
For NaCl,
`r^(+)/r^(-)=0.414`
Radius of Cation `=100 "pm" ("given")`
`r^(-)=r^(+)/(0.414)=((100"pm"))/(0.414)=241.5"pm"`
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