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Question: Answered & Verified by Expert
Oxyacid of phosphorus that can reduce AgNO3 to silver is
Chemistryp Block Elements (Group 15, 16, 17 & 18)NEET
Options:
  • A H3PO4
  • B H4P2O7
  • C H3PO3
  • D HPO3
Solution:
2658 Upvotes Verified Answer
The correct answer is: H3PO3
H3PO3 can reduce AgNO3 to silver.
H3PO3+2AgNO3+H2OH3PO4+2HNO3+2Ag
Rest other are only oxidants as in them oxidation number of phosphorus is +5.

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