Question

A compound formed by two elements `M` and `N`. Element `N` forms ccp and atoms of `M` occupy `1//3rd` of tetrahedral voids. What is the formula of th compound?
A. `M_(3)N_(2)`
B. `M_(2)N_(3)`
C. `M_(3)N`
D. `MN_(3)`

Answer 1

Correct Answer - B
`{:(M,to,(1)/(3)"of T.V"=,(1)/(3)xx8=(8)/(3),),(N,to,"ccp"to4,,),(M,,N,,),((8)/(3),:,4,,),(2,:,3,rArrM_(2)N_(2),):}`