$P_4O_{10}$ is not used to dry $NH_3$ gas because:

  • A
    $P_4O_{10}$ is basic and $NH_3$ is acidic
  • B
    $P_4O_{10}$ is acidic and $NH_3$ is basic
  • C
    $P_4O_{10}$ is not a drying agent
  • D
    $P_4O_{10}$ reacts with moisture in $NH_3$

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