Question

In `H_(3)PO_(4)` which of the following is true?
A. `K_(a) = K_(a_(1)) xx K_(a_(2)) xx K_(a_(3))`
B. `K_(a_(1)) lt K_(a_(2)) lt K_(a_(3))`
C. `K_(a_(1)) gt K_(a_(2)) gt K_(a_(3))`
D. `K_(a_(1)) = K_(a_(2)) = K_(a_(3))`

Answer 1

Correct Answer - A::C
For any polyprotic acid: `K_(a_(1)) gt K_(a_(2))gt ..` and so on.