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serg [7]
3 years ago
15

Which represents the self-ionization of water at 25°C? H2O + H2O 2H2 + O2 H2O + H2O H2O2 + H2 H2O + H2O 4H+ + 2O2- H2O + H2O H3O

+ + OH-
Chemistry
2 answers:
artcher [175]3 years ago
8 0

Answer: Option (d) is the correct answer.

Explanation:

When molecules of same substance combine together to result in the formation of ions then this type of reaction is known as self-ionization.

For example, H_{2}O + H_{2}O \rightarrow H_{3}O^{+} + OH^{-}

So, here two molecules of water are combining and they result in the formation of hydronium ion (H_{3}O^{+}) and hydroxide ion (OH^{-}).

Hence, this reaction is a self-ionization reaction.

Vitek1552 [10]3 years ago
6 0
The fourth answer is correct 
H20 + H20  H30 + 0H-
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