The density of `KBr` is `2.75 g cm^(-3)` length of the unit cell is `654 p m` . `K=39, Br=80, `then what is true about the predicted nature of the solide ?
A
Solid has face `-` centred cubic system with co`-` ordination number`=6`
B
Solid has simple cubic system with co`-` ordinatiion number `=4`
C
Solid has face `-` centred cubic system with co`-` ordination number `=1`
D
none of these
Text Solution
Verified by Experts
The correct Answer is:
a
`KBr` have `f.c.c.` structure with co`-` ordination number `6:6`
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