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The oxidation states of P in the followi...

The oxidation states of P in the following compounds `H_3PO_3,PCl_3,Ca_3P_2,Na_3PO_4,POF_3` respectively by

A

`+3,+3,-3,+5,+5`

B

`+5,+5,-3,+3,+3`

C

`+4,+3,-3,+4,+5`

D

`+3,+3,-2,+4,+5`

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The correct Answer is:
A
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