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The density of a certain solid AB (formu...

The density of a certain solid AB (formula mass =119) is 2.75 `g//cm^(3)` .The edge of the unit cell is 654 pm long .What is/are true about the solid AB ?

A

It has bcc unit cell

B

There are four constituents per unit cell

C

unit cell constituted by anions is fcc

D

structure is similar to ZnS

Text Solution

Verified by Experts

The correct Answer is:
B, C
`Z=(a^(3)xxrhoxxN)/(M)`
`=((654xx10^(-10))^(3)xx2.75xx6.023xx10^(23))/(119)~~4`
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