Question 46
Redox ReactionsIn which of the following is the oxidation number of sulphur equal to −2?
- A.SO3
- B.S8
- C.H2S
- D.SO2
Show the answer and explanation
Answer: C (H2S)
Explanation
In H2S each H is +1, so S is −2. In SO3 it is +6, in SO2 +4 and in S8 0.