Which of the following are present in an aqueous solution of hydrochloric acid?
A
H3O++Cl−
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B
H3O++OH−
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C
Cl−+OH−
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D
Unionised HCl
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Solution
The correct option is AH3O++Cl− In an aqueous solution of hydrochloric acid, hydronium ion and chloride ions are present as H+ ions released by HCl are hydrated to H3O+
So, H3O++Cl−are present in an aqueous solution of hydrochloric acid.