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A solid A^(o+)B^(ɵ) has NaCl-type close-...

A solid `A^(o+)B^(ɵ)` has `NaCl`-type close-packed structure. If the anion has a radius of `250` pm, what should be the ideal radius for the cation? Can a cation `C^(o+)` having radius of `180` pm be slipped into the tetrahedral site of the crystal `A^(o+)B^(ɵ)`? Give reason for your answer.

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To solve the problem, we need to determine the ideal radius for the cation in a solid with a NaCl-type structure and evaluate whether a given cation can fit into a tetrahedral site. ### Step-by-Step Solution 1. **Understanding the Structure**: - The solid `A^+B^−` has a NaCl-type structure, where the anions (B^−) form a close-packed structure, and the cations (A^+) occupy the octahedral voids. 2. **Given Data**: ...
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