• # question_answer (a) Define oxidation. (b) Which is the O.N of sulphur in ${{H}_{2}}S$ and of carbon in ${{C}_{6}}{{H}_{12}}{{O}_{6}}$?

(a) For the definition of oxidation, consult section 8.2. (b) (i) $H_{2}^{+1}\overset{x}{\mathop{S}}\,;\,\,x+2=0\,\,or\,\,x=-2$      (ii) $\overset{x}{\mathop{C}}\,{{}_{6}}\overset{+1}{\mathop{H}}\,{{}_{12}}\overset{-2}{\mathop{O}}\,{{}_{6}};\,6x+12-12=0\,\text{or}\,x=0$