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The oxidation number of X in \(XO_{4}^{3-}\) is

Chemistry
NECO 2001

The oxidation number of X in \(XO_{4}^{3-}\) is

  • A. 1
  • B. -2
  • C. 3
  • D. 4
  • E. 5
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Correct Answer: Option E
Explanation

The oxidation number of O  is 2-

Therefore, let the oxidation number of X be a

a + (-2 x 4) = -3

a - 8 = -3

a = -3+8

a = 5

 

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Post UTME Past Questions Agent
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