Question

Atoms of element B form hcp lattice and those of the element A occupy $\frac{2^{rd}}{3}$ of octahedral voids. What is the formula of the compound formed by the element A and B?

• A. $A_3B_4$
• B. $A_4B_3$
• C. AB
• D. $A_4B_5$

Answer 1

Answer: (B)

$A_4B_3$

Answer 2

The correct option is(B):$A_4B_3$