Compounds | $\mathrm{SO}_3$ | $\mathrm{H}_2 \mathrm{SO}_3$ | $\mathrm{SOCl}_2$ | $\mathrm{SF}_4$ | $ \mathrm{BaSO}_4$ |
$\mathrm{H}_2 \mathrm{~S}_2 \mathrm{O}_7$ |
$O.S.$ of sulphur | $+6$ | $+4$ | $+4$ | $+4$ | $+6$ | $+6$ |
$2KMn{O_4}\,\,\, + \,\,\,\,2KOH\,\,\,\,\,\,\, \to \,\,\,\,\,2{K_2}Mn{O_4}\,\,\, + \,\,\,{H_2}O\,\,\, + \,\,\,O$ તો $KMnO_4$ નો તુલ્યભાર કેટલો થાય ?
(પ.ભાર : $K = 39, Mn = 55, O = 16$)