Volume occupied by single CsCl ion pair in a crystal is 7.014×10−23cm3.The smallest Cs - Cs internuclear distance is equal to length of the side of the cube corresponding to volume of one CsCl ion pair. The smallest Cs to Cs internuclear distance is nearly
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a
4.4Ao
b
4.3Ao
c
4Ao
d
4.5Ao
answer is C.
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Detailed Solution
Volume, V=7.014×10−23cm3As smallest Cs to Cs internuclear distance is equal to length of the side of the cube, i.e. a, therefore, a3=7.014×10−23cm3or ,a=7.014×10−233cm3=4.125×10−8=4.12≈4Ao