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What is the oxidation number of phosphor...

What is the oxidation number of phosphorus in `H_(3)PO_(2)` molecule ?

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If `x` is the `O.N.` of `P` in `H_(3)PO_(2)`, then `3(+1)+x +2(-2)=0` or `x=+1`
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  6. Why does O(3) act as a powerful oxidizing agent?

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  9. Nitrogen exists as diatomic molecule and phosphorus as P(4). Why ?

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  18. What are the oxidation states of phosphorus in the following: (i)H(3...

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