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The oxyacid of phosphorus in which phosp...

The oxyacid of phosphorus in which phosphorus has the lowest oxidation state is:

A

hypophosphorus acid

B

orthophosphoric acid

C

pyrophosphoric acid

D

metaphosphoric acid

Text Solution

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The correct Answer is:
A
`H_3 PO_2 , O.S P=+1, H_3PO_4 .O.S P = +5, " " H_4 P_2 O_7 .O.S P=+5, HPO_3 O.S P= +5`
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