MCQ
जल विलेय फॉस्फोरस है
  • A
    $P_2O_5$
  • B
    $PO_4^{3-}$
  • C
    $HPO_4^{2-}$
  • $HPO_4^{2-}$​​​​​​​

Answer

Correct option: D.
$HPO_4^{2-}$​​​​​​​
$H_2PO_4^-$​​​​​​​

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