MCQ
Which of the Phosphorus oxoacid can create silver mirror from $AgNO _3$ solution ?
  • A
    $\left( HPO _3\right)_{ n }$
  • $H _4 P _2 O _5$
  • C
    $H _4 P _2 O _6$
  • D
    $H _4 P _2 O _7$

Answer

Correct option: B.
$H _4 P _2 O _5$
b
Oxyacid having $P - H$ bond can reduce $AgNO _3$ to $Ag$.

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