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Which of the following is produced when hydrochloric acid reacts with water?
Both H3тАЛO+ and ClтИТ
Both HOтИТ and ClтИТ
Only ClтИТ
Only H3тАЛO+
Both H3тАЛO+ and ClтИТ
When hydrogen chloride gas dissolves in water, it ionizes completely to produce hydronium ions (H3тАЛO+) and chloride ions (ClтИТ). Because HCl is a strong acid, it transfers a proton to a water molecule.
When hydrogen chloride gas dissolves in water, it ionizes completely to produce hydronium ions (H3тАЛO+) and chloride ions (ClтИТ). Because HCl is a strong acid, it transfers a proton to a water molecule.
Think of HCl as a generous donor giving away its hydrogen ticket (H+) to a water molecule standing by, transforming the water molecule into an energetic VIP hydronium ion (H3тАЛO+) while leaving behind a chloride ion spectator.
Acid plus Water gives Hydronium plus Anion (A-W-H-A)
HCl+H2тАЛOтЖТH3тАЛO++ClтИТ тАФ Dissociation reaction of hydrochloric acid
pH=тИТlog[H3тАЛO+] тАФ Definition of pH based on hydronium ion concentration
In aqueous solution, polar hydrogen chloride (HCl) molecules react with water molecules acting as Br├╕nsted-Lowry bases. The reaction is represented as: HCl(g)+H2тАЛO(l)тЖТH3тАЛO+(aq)+ClтИТ(aq). The hydronium ion (H3тАЛO+) is responsible for the acidic properties.
Hydrochloric acid (HCl) is a strong monoprotic acid.
Protons (H+) released by HCl combine immediately with water to form hydronium ions (H3тАЛO+).
Chloride ion (ClтИТ) is the conjugate base of HCl.
Dry HCl gas does not change the color of dry litmus paper because no H3тАЛO+ ions are formed without water.
Explains the acidic nature of aqueous solutions clearly.
Demonstrates Br├╕nsted-Lowry acid-base proton transfer concept.
Understanding industrial chemical processes involving strong acids.
Determining pH in laboratory and biological titrations.
Option A is correct because both H3тАЛO+ and ClтИТ are produced.
Option B is incorrect as HOтИТ (hydroxide) is characteristic of bases, not acids.
Option C and D are incomplete as they mention only one of the two ions formed.
A is correct тАФ Both H3тАЛO+ and ClтИТ ions are produced when hydrochloric acid reacts with water.
Remember that dry hydrogen chloride gas does not exhibit acidic properties in the absence of moisture because water is required to dissociate the covalent HтИТCl bond and form H3тАЛO+ ions.
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