Biology, asked by DoctorRavi, 8 months ago

Answer the above question...pls don't answer irrelevant... otherwise ur I'd will be banned and reported ! ​

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Answered by vaishali9477
1

Answer:

2

Explanation:

inH3PO2=2P-H BOND

IN H3PO3=1P-H BOND

H3PO4=NO P-H BOND

SO NO REDUCING ACTION PRESENT INH3PO4

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