Question 134 of 144

A compound alloy of gold and copper crystallizes in a cube lattice in which the gold atoms occupy the lattice points at the corners of a cube and the copper atoms occupy the centres of each of the cube faces. The formula of this compound is-

(A) AuCu                                                    (B) AuCu2

(C) AuCu3                                                 (D) None of these