alleryWhich of the following are present in a dilute aqueous solution of hydrochloric acid?
A$\mathrm{H}_3\mathrm{O}^+ + \mathrm{Cl}^-$
B$\mathrm{H}_3\mathrm{O}^+ + \mathrm{OH}^-$
C$\mathrm{Cl}^- + \mathrm{OH}^-$
Dunionised HCl
Answer & Solution
Correct answer: A. $\mathrm{H}_3\mathrm{O}^+ + \mathrm{Cl}^-$
This Acids, Bases and Salts item tests a core Chemistry concept.
Correct answer: $\mathrm{H}_3\mathrm{O}^+ + \mathrm{Cl}^-$.
_Source: syllabus Exemplar Science Class 10_
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