Which among the given acids is a diprotic acid?

HNO₃

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H₂PO₃

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HClO₃

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H₃PO₃

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Solution

The correct option is B
H₂PO₃

Diprotic acids belong to a class of Arrhenius acids which are capable of donating two protons or hydrogen cations per molecule when dissociated in aqueous solutions.
$H_{3} {P O}_{3}$ $\to$ 2 $H^{+ 1}$ + ${H P O}_{3}^{- 2}$

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Similar questions

The total number of diprotic acids among the following is:
$H_{2} S O_{4}, H_{2} C r O_{4}, H_{3} P O_{3}, H_{2} S O_{3}, H_{3} B O_{3}, H_{2} S_{2} O_{7}, H_{3} P O_{4} .$ ___

Q. Find the total number of diprotic acids among the following

H_{3} P O_{4}, H_{2} S O_{4}, H_{3} P O_{3}, H_{2} C O_{3}, H_{2} S_{2} O_{7}, H_{3} B O_{3}, H_{3} P O_{2}, H_{2} C r O_{4}, H_{2} S O_{3}

Q. Why

H_{3} P O_{4}

is triprotic acid but

H_{3} P O_{3}

is diprotic acid?

Q. The increasing order of the acidity of the following acids is:

H_{2} S O_{3}

ll)

H_{3} P O_{3}

lll) HClO

_{3}

Which is the correct statement for the given acids?

$H_{3} P O_{2}$ and $H_{3} P O_{3}$

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Which among the given acids is a diprotic acid?

The correct option is B H2PO3 Diprotic acids belong to a class of Arrhenius acids which are capable of donating two protons or hydrogen cations per molecule when dissociated in aqueous solutions. H3PO3 → 2 H+1 + HPO−23

The correct option is B
H₂PO₃

Diprotic acids belong to a class of Arrhenius acids which are capable of donating two protons or hydrogen cations per molecule when dissociated in aqueous solutions.
$H_{3} {P O}_{3}$ $\to$ 2 $H^{+ 1}$ + ${H P O}_{3}^{- 2}$