AIPMT MAINS 2011 Chemistry Crystal Structures MCQ Question with Solution

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

Correct Answer

Option A

Detailed Explanation

In NaCl structure, the radius ratio is 0.414. Using this ratio, the radius of the anion is calculated to be 241.5 pm.

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