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The density of an ionic compound (molar ...

The density of an ionic compound (molar mass = 58.5) is `2.165 g cm^(-3)` and the edge length of unit cell is 562 pm, then the closest distance between `A^+ +B^-` and number of atoms per unit cell is

A

397 pm, 4

B

562 pm, 2

C

562 pm, 4

D

281 pm, 2

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The correct Answer is:
A
397 pm, 4
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