The oxidation state of the oxygen atom in potassium superoxide is:

Dichromate ion is treated with base,the oxidation number of $Cr$ in the product formed is .... .

$2$ mole of $N_2H_4$ loses $16$ mole of electrons and is converted to a new compound $X$. Assuming that all of the $N$ atoms appear in the new compound,what is the oxidation state of $N$ in $X$?

The correct order of the oxidation states of nitrogen in $NO$,$N_2O$,$NO_2$,and $N_2O_3$ is:

What is the oxidation state of iodine in $I_2Cl_6$?

What is the oxidation state of chlorine atom in hypochlorous acid?