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In which of the following reactions can the oxidation number of the nitrogen be said...

Chemistry
JAMB 2005

In which of the following reactions can the oxidation number of the nitrogen be said to have increased?

  • A. 2NO(g) + O2(g) → 2NO2(g)
  • B. 2NO(g) + Cl2(g) → 2NOCl(l)
  • C. FeSO4(aq) + NO(g) → Fe(NO)SO4(s)
  • D. NO(g) + Br2(l) → 2NOBr(l)
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Correct Answer: Option A
Explanation

In option A, the oxidation number of Nitrogen increased from +2 to +4.

In Option B, the oxidation number of Nitrogen decreased from +2 to +1 (Bearing in mind that the O.N of chlorine in hypochlorate, OCl\(^-\) is +1)

In Option C, the oxidation number of Nitrogen decreased from +2 to +1

In Option D, the oxidation number of Nitrogen decreased from +2 to +1 (Bearing in mind that the O.N of bromine in hypobromate OBr\(^-\) is +1)

Therefore, the answer is option A

 

 

There is an explanation video available below.


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Explanation Video

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