The order of the oxidation state of the phos- phorus atom in `H_3PO_2, H_3PO_4 , H_3PO_3` and `H_4P_2O_6` is : -

The order of the oxidation state of the phosphours atom in H_(3)PO_(2),H_(3)PO_(4),H_(3)PO_(3) and H_(4)P_(2)O_(6) is

The order of the oxidation state of the phosphorus in H_(3)PO_(2),H_(3)PO_(4),H_(3)PO_(3) and H_(4)P_(2)O_(6) is

What is the oxidation state of phosphorus in H_3PO_3 , Ca_3P_2 , Na_3PO_4 and POF_3

The false statement of the acids of phosphorus H_3 PO_2, H_3 PO_3 and H_3 PO_4 is

The true statement of the acids of phosphorus H_3 PO_2, H_3 PO_2 and H_3 PO_4 is

The true statement of the oxoacids of phosphorus H_(3)PO_(2),H_(3)PO_(3) and H_(3)PO_(4) is