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The density of KBr is "2.75 g/cm"^3 and ...

The density of KBr is `"2.75 g/cm"^3` and edge length of unit cell is 654 pm (K=39 , Br=80) then what are the features of this unit cell ?

A

Solid has F.C.C structure with co`-` ordination number `=6`

B

Solid has simple cubic structure with co`-` ordination number `=4`

C

Solid has F.C.C. structure with co`-` ordination numbers `-1`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
1
`2.75=(Zxx118)/((6.54xx10^(-8))^(2)xx6.023xx10^(23))" "rArr" "Z=4(` foc with NaCl type structure`)`
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