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6.2. Equilibrium - II (icon Equilibrium) — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry6.2. Equilibrium - II (icon Equilibrium)1 Mark
MCQ
The conjugate base of ${H_2}PO_4^ - $ is
  • A
    ${H_3}P{O_4}$
  • B
    ${P_2}{O_5}$
  • C
    $PO_4^{3 - }$
  • ✓
    $HPO_4^{2 - }$
✓

Answer

Correct option: D.
$HPO_4^{2 - }$
(d)$\mathop {{H_2}PO_4^ - }\limits_{{\rm{Conjugate acid}}} \to {H^ + } + \mathop {HPO_4^{2 - }}\limits_{{\rm{Conjugate base}}} $

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