Question

A compound is formed by two elements A and B. The element B forms cubic close packing and atoms of A occupy `1/3"rd"` of tetrahedral voids. The formula of this compound is ____________.

Options

• A₃B₂

• AB₂

• AB

• A₂B₃

Answer 1

A compound is formed by two elements A and B. The element B forms cubic close packing and atoms of A occupy `1/3"rd"` of tetrahedral voids. The formula of this compound is A₂B₃.

Explanation:

Contribution of B = 4, Tetrahedral voids = 8,

Contribution of A = `1/3 xx 8`