Which of the following is not a conjugate acid-base pair?

By John
0 Min Read

A
HPO
3
2βˆ’
​
,PO
3
3βˆ’
​

B
H
2
​
PO
4
βˆ’
​
,H
​
PO
4
2βˆ’
​

C
H
2
​
PO
4
βˆ’
​
,H
3
​
PO
4
​

D
H
2
​
PO
4
βˆ’
​
,PO
3
3βˆ’
​

Correct option is D)