# The oxidation numbers of sulphur in $S_8,SO_2\: and \: H_2S$ respectively are :

$\begin {array} {1 1} (1)\;0,\: +6,\: -2 & \quad (2)\;0,\: +4,\: -2 \\ (3)\;0,\: +1,\: +2 & \quad (4)\;0,\: +1,\: -2 \end {array}$