What ions are formed during self-ionization of water?
H₃O + and OH-
HO₂- and H₂O
OH + and H₃O-
All answers are correct
The self-ionization of water is an ionization reaction in pure water or in an aqueous solution, in which a water molecule, H2O, deprotonates to become a hydroxide ion, OH−. The hydrogen nucleus, H+, immediately protonates another water molecule to form hydronium, H3O+. It is an example of autoprotolysis, and exemplifies the amphoteric nature of water.
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Answers by country
H₃O + and OH-
HO₂- and H₂O
OH + and H₃O-
All answers are correct
answers
Ghana
19
the United Arab Emirates
11
Nigeria
86
the Netherlands
15
Singapore
13
India
545
Pakistan
48
Malaysia
28
Switzerland
31
Australia
74
Austria
76
Canada
24
Germany
440
the United Kingdom
132
Poland
4076
the United States
238
the Philippines
43
South Africa
11
Republic of Ireland
12
Greece
15