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In a solid atom M occupies ccp lattice a...

In a solid atom M occupies ccp lattice and `((1)/(3))` of tetrahedral voids are occupied by atom N, find the formula of solid formed by M and N .

A

`MN`

B

`M_(3)N`

C

`MN_(3)`

D

`M_(3)N_(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Hint : If the total number of M atoms in n, then then number of tetrahedral voids `=2n`
Given that `((1)/(3))rd` of tetrahedral voids are occupied i.e., `((1)/(3))xx2n` are occupied by N atom.
`therefore M:N rArr M_(3)N_(2)`
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