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Question 25017
NEET Chemistry · Hard

Redox Reactions: Oxidation number MCQ

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Oxidation numberHardQuestion 25017

Question

Oxidation number of phosphorus in H3PO4H_3PO_4 is:

  1. A
    +5
    Correct
  2. B
    +3
  3. C
    0
  4. D
    +1

Correct answer

+5

Explanation

3(+1) + x + 4(-2) = 0 gives x = +5.

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