1.

Amongst the following, the strongest reducing agent is .............

Answer»

<P>`P_(2)O_(6)^(4-)`
`P_(2)O_(7)^(4-)`
`H_(2)PO_(2)^(-)`
`H_(3)PO_(4)`

Solution :Phosphorus is in (+1) oxidation state in `H_2PO_2`. HENCE, it act as strongest reducing agent.


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