Solid State Question 91
Question: A compound formed by elements A and B has a cubic structure in which A atoms are at the comers of the cube and B atoms are at the face centres. The formula for the compound is
Options:
A) $ A_2B_3 $
B) $ AB_3 $
C) $ A_3B $
D) $ A_3B_2 $
Show Answer
Answer:
Correct Answer: B
Solution:
[b] Number of corner atom $ (A)=8\times \frac{1}{8}=1 $ Number of face centre atom $ (B)=6\times \frac{1}{2}=3 $ Hence, formula of the compound is $ AB_3 $ .
BETA
