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Uses of Acids and Bases

Which is diba...

Question

Which is dibasic ? (1) Orthophosphoric acid (2) pyrophosphoric acid (3) orthophosphorous acid (d) Hypophosphorous acid

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Solution

The acid which has 2 H+ or simply we say 2 H attached to O, as H3PO4= 3H+ , H3PO3 =2H+ ,so it can be ortho phosphorus acid

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P_{2} O_{5}

is heated with water to give

- I

- I I

\begin{matrix} List - I (Name of oxo acid) & List - II (Oxidation state of P) (a) & Hypophosphorous acid & (i) & + 5 (b) & Orthophosphoric acid & (i i) & + 4 (c) & Hypophosphoric acid & (i i i) & + 3 (d) & Orthophosphorous acid & (i v) & + 2 (v) & + 1 \end{matrix}

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Q. Which acid has a

P - P

Q. Which acid has a

P - P

Orthophosphoric acid is commonly known as pyro phosphoric acid.

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Uses of Acids and Bases

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