Q.
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a
The co-ordination number of each type of ion in CsCl crystal is 8
b
A metal that crystallizes in b.c.c. structure has a co-ordination number of 12
c
A unit cell of an ionic crystal shares some of its ions with other unit cells
d
The length of the unit cell in NaCl is 552 pmm rNa+=95pm,rCl−=181pm
answer is A.
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Detailed Solution
a=2(rc+ra)coordination number of Cs in CsCl is 8
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