n-factor for H2S during its oxidation to SO2 is:
Step 1: Reaction of oxidation of H2S to SO2:
2H2S(g)+3O2(g)→2H2O(l)+2SO2(g)
Step 2: Finding the n-factor:
n-factor of H2S:
2(1)+n=0n=-2
n-factor of SO2:
n+2(-2)=0n=4
Therefore, the n-factor of H2S during its oxidation to SO2 is = 4-(-2)=6