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

The oxidation number of X in \(XO_{4}^{3-}\) is
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A 1
  • B -2
  • C 3
  • D 4
  • E 5
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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