The formula of a compound is A5B4. Then valency of A and B will be.
A. 5 and 4
B. 5 and 9
C. 4 and 9
D. 4 and 5.
Answer:D
The formula of a compound is A5B4. Then valency of A and B will be.
A. 5 and 4 B. 5 and 9 C. 4 and 9 D. 4 and 5.