Question

Equivalent weight of Pyrophosphoric acid is
(H,P20,).
1) MW/1 2) M.W/2 3) M.W/4 3)M.W/3
​

Answer 1

Answer:

Explanation:

Pyrophosphoric acid which is h4p207. In it oxygen is having -2 os always and h +1 so by putting values you'll get p=5 oxidation state of p as 5