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

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Chemistry NECO 2001

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

  • 1
  • -2
  • 3
  • 4
  • 5 checkmark

The correct answer is: 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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