Interpretation:
Write the oxidation numbers of the elements in phosphate ion.
Concept introduction:
The oxidation numbers of individual elements in an ion radical or molecule can be different but their sum is equal to the charge of the ion or molecule.
Answer to Problem 93A
The oxidation numbers for the elements are:
- P=+5
- O=-2
Explanation of Solution
Total charge of P=+5
Total charge of O
Sum of charges
Which is equal to the charge of phosphate ion, hence the oxidation states are justified.
The oxidation number of O is-2 and P is +5 in phosphate ion.
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