If the close packed cations in an AB type solid have a radi…

Chemistry Solid State General Subjective Type

Published on: August 13, 2026

If the close packed cations in an AB type solid have a radius of 75 pm, what would be the maximum and minimum sizes of the anions filling the voids ?

Text Solution

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The correct answer is:

CHECK THE SOLUTION.

Sol. For closed packed AB type solid,

0.414 ≤ ≤ 0.732

or 181.15 pm ≥ r – ≥ 102.46 pm

Thus size of the anion lies between 102.46 pm and 181.15 pm.

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