1.

A compound is formed by two element M and N . The element N forms ccp and atoms M occupy frac{1}{3} of the tetral voids. What is the formula of the compound?

Answer»

SOLUTION :Let the number of atoms of N be .n.
`THEREFORE` number of tetrahedral VOIDS = 2n
Number of atoms M =`FRAC{1}{3}xx2n=frac{2n}{3}`
`therefore` Ratio of atoms M and N = frac{2}{3}n:n=frac{2}{3}:1=2:3` Formula is `M_2N_3`


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