A solid is formed by two elements P and Q. The element Q forms cubic close packing and atoms of P occupy one third of tetrahedral voids. The formula of the compound is

Question

A solid is formed by two elements P and Q. The element Q forms cubic close packing and atoms of P occupy one third of tetrahedral voids. The formula of the compound is, P 3 Q, P 2 Q 3, P 3 Q 2, P Q 3

MARKS App · Accepted Answer

Let octahedral voids = x = no. of atoms of Q So, tetrahedral voids = 2 x No. of atoms of P = 1 3 × 2 x = 2 3 x P : Q = 2 3 x : x = 2 : 3 Formula = P 2 Q 3

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