chapter 7.  ELEMENTS OF GROUPS 16, 17 AND 18 class 12 chemistry textbook solution

2. Answer the following.

vii. What is the oxidation state of S in H2SO4.

Answer:-

(Oxidation number of H) + (Oxidation number of S) + (Oxidation number of O) = 0

2 × (+1) + (Oxidation number of S) + 4 × (- 2) = 0

Oxidation number of S + 2 – 8 = 0

Hence, oxidation number of ‘S’ in H2SO4 = +6

chapter 7.  ELEMENTS OF GROUPS 16, 17 AND 18 Textbook Solution page 163