Find the oxidation number of (i) P in `H_6P_2O_7`

Find the oxidation number of (i) Cr in K_2CrO_3

Write the oxidatin number of 'S' in H_2S_2O_7 .

Find out the oxidation number of bromine in Br_3O_8

What is the oxidation number of Cr in Cr_2O_7^(2-) ?

Answer the following questions: Specify the oxidation numbers of the metals in the following coordination entities: [Co(H_2O)(CN)(en)_2]^(2+)

Arrange the following in order of decreasing oxidation number of Nitrogen. NH_3 , N_3H , N_2O, NO , N_2O_5

Identify the oxidising and reducing agent on the basis of oxidation number of the reaction given below 2H_2S + SO_2 rarr 3S + 2H_2O

How much electricity is required in coulomb for the oxidation of 1 mol of H_2O to O_2 .

Write the structure of Pyrophosphoric acid, H_4P_2O_7 .