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Class 12 Chemistry Practice Test: p Block Elements - Oxoacids of Phosphorus
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Class 12 Chemistry Practice Test: p Block Elements - Oxoacids of Phosphorus
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10 Questions

1. What is the oxidation state of phosphorus in hypophosphoric acid?
2. How many P-H bonds does hypophosphorous acid contain?
3. Which of the following compounds contain phosphorus with an oxidation state of +5?
4. What is the temperature at which orthophosphoric acid forms pyrophosphoric acid?
5. What is the total number of atoms or groups surrounding each phosphorus atom in its oxoacids?
6. Orthophosphorous acid can be made from phosphorous trioxide.
7. Phosphorus does not form oxoacids.
8. What is the oxidation state of phosphorus in hypophosphoric acid?
9. Which of the following is incorrect about Hypophosphorous acid?
10. Phosphorus does not form oxoacids.

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