1.

In a solid, atom M occupies ccp lattice and (1/3)^(rd) of tetrahedral voids are occupied by atom N. The formula of compound is .........

Answer»

`M_3N_2`
`M_2N_3`
`M_4N_3`
`M_3N_4`

Solution :Total number of M-atom = 4
Total number of TETRAHEDRAL voids = 8
Total number of N-atoms = `(8 xx 1/3) = 3`
RATIO of M-atoms to N-atoms = `M:N = 4:8/3`
` =3 :2`.


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