Question

In an alloy, atom X occupies the corner positions and atom y occupies the face centre positions of
fcc lattice. If one of the face centre atom is missing, then formula of the compound is

Answer 1

Explanation:

ANSWER

Number of atoms of

′

A

′

=8×

8

1

=1

Number of atoms of

′

B

′

=5×

2

1

=

2

5

A:B=1:

2

5

=2:5

Formula of the solid =A

2

B

5