Equilibrium

Question

Three reactions involving H₂PO₄^- are given below
I. H₃PO₄ + H₂O → H₃O⁺ + H₂PO₄^-
II. H₂PO₄^- + H₂O→ HPO₄^2- + H₃O⁺
III. H₂PO₄^- + OH^- → H₃PO₄ + O^2-
In which of the above does H₂PO₄^- act as an acid

(II) only

(I) and (II)

(III) only

(I) only

Answer

(II) only

Sponsor Area

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Sponsor Area

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Sponsor Area

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Three reactions involving H₂PO₄^- are given below
I. H₃PO₄ + H₂O → H₃O⁺ + H₂PO₄^-
II. H₂PO₄^- + H₂O→ HPO₄^2- + H₃O⁺
III. H₂PO₄^- + OH^- → H₃PO₄ + O^2-
In which of the above does H₂PO₄^- act as an acid

(II) only

(I) and (II)

(III) only

(I) only

Some More Questions From Equilibrium Chapter

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Three reactions involving H2PO4- are given belowI. H3PO4 + H2O → H3O+ + H2PO4-II. H2PO4- + H2O→ HPO42- + H3O+III. H2PO4- + OH- → H3PO4 + O2-In which of the above does H2PO4- act as an acid (II) only (I) and (II) (III) only (I) only

Some More Questions From Equilibrium Chapter

Mock Test Series

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Entrance Exams Preparation

Three reactions involving H₂PO₄^- are given below
I. H₃PO₄ + H₂O → H₃O⁺ + H₂PO₄^-
II. H₂PO₄^- + H₂O→ HPO₄^2- + H₃O⁺
III. H₂PO₄^- + OH^- → H₃PO₄ + O^2-
In which of the above does H₂PO₄^- act as an acid

(II) only

(I) and (II)

(III) only

(I) only