Class 12 Chemistry p-Block Elements (Class 12)Nitrogen family

Difficult

Which one of the following oxoacids of phosphorus can reduce $AgNO_3$ to metallic silver?

KCET 2023 All KCET

A
$H_3PO_2$
B
$H_4P_2O_7$
C
$H_4P_2O_6$
D
$H_3PO_4$

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Class 12

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p-Block Elements (Class 12)

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Nitrogen family

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