Multiple choice

Which of the following are examples of tribasic acid?

  1. Metaphosphoric acid
  2. Pyrophosphoric acid
  3. Orthophosphoric acid
  4. Orthophosphorous acid
  5. Hypophosphorous acid
  6. Hypophosphoric acid
  7. Peroxyphosphoric acid

  1. 1 and 3

  2. 2 and 5

  3. 3 and 7

  4. 4 and 6

  5. 5 and 7
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Orthophosphoric acid (H3PO4) is a tribasic acid. Peroxyphosphoric acid (H3PO5) is a tribasic acid.

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