Which of the following is the correct order of increasing acidic strength?
A
Water < Hydrochloric acid < Carbonic acid
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B
Water < Carbonic acid < Hydrochloric acid
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C
Carbonic acid < Water < Hydrochloric acid
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D
Carbonic acid < Hydrochloric acid < Water
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Solution
The correct option is B Water < Carbonic acid < Hydrochloric acid The strength of an acid depends on its ability to lose a proton.The strong acid dissociates completely to form hydrogen ions.In water one mole of a strong acid HA dissolves yielding one mole of hydrogen ions and one mole of negative ions i.e A. Carbonic acid partially dissociate while HCl strong acid dissociate completely.