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Question
What are the oxidation states of phosphorus in the following:
POF3
Solution
Let the oxidation state of p be x
POF3
x + (-2) + 3(-1) = 0
x- 5 =0
x = +5
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Match List-I with List-II:
| List-I | List-II |
| name of oxo acid | Oxidation state of 'P' |
| (a) Hypophosphorous acid | (i) +5 |
| (b) Orthophosphoric acid | (ii) +4 |
| (c) Hypophosphoric acid | (iii) +3 |
| (d) Orthophosphorous acid | (iv) +2 |
| (v) +1 |
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What is the basicity of \[\ce{H3PO4}\]?
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