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An ionic compound AB (molar mass 64) is ...

An ionic compound AB (molar mass 64) is crystallized in BCC unit cell having constant 400 pm. The density of crystal will be

A

3.33 g/c.c

B

1.67 g/c. c.

C

6.67 g/c. c.

D

4.56 g/c.c.

Text Solution

Verified by Experts

The correct Answer is:
B
`d=(ZM)/(a^(3). N_(A))`
`d=(1 xx 64)/((400)^(3) xx 10^(-30) xx 6 xx 10^(23))=1.67 g/c .c.`
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