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Properties of Water

What is the r...

Question

What is the reaction given below, called?
$H_{2} O_{(l)} + H_{2} O_{(l)} ⇌ H_{3} O_{(a q)}^{+} + O H_{(a q)}^{-}$

Hydrolysis of water

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Hydration of water

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Disproportionate of water

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Auto-protolysis of water

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Solution

The correct option is D Auto-protolysis of water
The reaction in which two molecules of the same species react to give ions by proton transfer is known as auto-protolysis or self ionisation. In this reaction, proton from one $H_{2} O$ molecule is transferred to another $H_{2} O$ molecule.
$H_{2} O (l) + H_{2} O (l) ⇌ H_{3} O^{+} (a q) + O H^{-} (a q)$

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Similar questions

H_{2} S O_{4} (a q) + H_{2} O (l) ⇌ H_{3} O^{+} (a q) + H S O_{4}^{-} (a q)

H C_{2} H_{3} O_{2} (a q) + H_{2} O (l) ⇌ H_{3} O^{+} (a q) + C_{2} H_{3} O_{2}^{-} (a q)

H_{2} C_{2} O_{4} (a q) + H_{2} O (l) ⇌ H_{3} O + (a q) + H C_{2} O_{4}^{-} (a q)

H C_{2} O_{4}^{-} (a q) + H_{2} O (l) ⇌ H_{3} O + (a q) + C_{2} O_{4}^{2 -} (a q)

K_{c 1} = 5.9 \times 10^{- 2}

K_{c 2} = 6.4 \times 10^{- 5}

25^{0} C

K_{c}

H_{2} C_{2} O_{4} (a q) + 2 H_{2} O (l) ⇌ 2 H_{3} O + (a q) + C_{2} O_{4}^{2 -} (a q)

H_{2} S_{(g)} + {H_{2} O}_{(l)} ⇌ {H_{3} O}_{(a q)}^{+} + {H S^{-}}_{(a q)}

H_{2} C_{2} O_{4} (a q) + H_{2} O (l) ⇌ H_{3} O + (a q) + H C_{2} O_{4} - (a q)

H C_{2} O_{5} - (a q) + H_{2} O (l) ⇌ H_{3} O + (a q) + C_{3} O_{4}^{2} - (a q)

K_{c l} = 5.9 \times 10^{- 2}

K_{c 2} = 6.4 \times 10^{- 5}

25^{\circ} C

K_{c}

(3)

H_{2} C_{2} O_{4} (a q) + 2 H_{2} O (l) ⇌ 2 H_{3} O + (a q) + C_{2} O_{4}^{2} - (a q)

H C l (g) + H_{2} O (l) \to H_{3} O^{+} (a q) + C l^{-} (a q)

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