The oxidation number of sulphur in $S_8$ molecule is

$A$ compound contains atoms of $x, y$ and $z$ elements. Oxidation numbers of $x, y$ and $z$ are $+3, +5$ and $-2$ respectively. Identify the possible formula of this compound?

The oxidation states of $P$ atom in $POCl_3$,$H_3PO_3$ and $H_4P_2O_6$,respectively are

The oxidation numbers of sulphur in $S_8$,$S_2F_2$,and $H_2S$ respectively,are:

Oxidation state of manganese in potassium permanganate is:

The oxidation number of carbon in $CH_2Cl_2$ is .........