Number of $H^{+}$ ions that one molecule of phosphoric acid gives on ionisation are:

2

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3

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4

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5

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Solution

The correct option is D $3$
On ionisation of phospheric acid we have
$H_{3} P O_{4} \to 3 H^{+} + P O_{4}^{3 -}$
so, on ionisation we have 3 $H^{+}$ ions.

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Similar questions

The total number of ions produced by one molecule of CaCl₂ is:

{C H}_{3} C O O H

1.7 \times 10^{- 5}

H^{+}

3.4 \times 10^{- 4}

{C H}_{3} C O O H

What is the oxidation number of phosphorus in phosphoric acid ( $H_{3} P O_{4}$ )?

P_{2} O_{5}

P_{2} O_{5} + H_{2} O ⟶ H_{3} {P O}_{4}

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