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In which of the following is the oxidation number of sulphur equal to - 2?

Chemistry
JAMB 2006

In which of the following is the oxidation number of sulphur equal to - 2?

  • A. SO3
  • B. S8
  • C. H2S
  • D. SO2
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Correct Answer: Option C
Explanation

H\(_2\)S = 0

Bearing in mind that the oxidation state of H = + 1

H\(_2\) + S = 0

2(+1) + S = 0

+ 2 + S = 0

S = 0 - 2

S = - 2

There is an explanation video available below.

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Explanation Video

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