Concentration Versus Strength (HSC SSCE Chemistry): Quizzes

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Concentration Versus Strength
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What does 'strength' refer to in the context of acids and bases?

Degree of ionisation or dissociation

What ions do acids produce in aqueous solution?

Hydronium ions (H3O+\text{H}_3\text{O}^+)

A solution with a concentration of 4 mol L−14~\text{mol L}^{-1} would be considered:

Concentrated

Which of the following is a strong acid?

Hydrochloric acid (HCl\text{HCl})

Which acid is classified as a weak acid?

Citric acid (C6H8O7\text{C}_6\text{H}_8\text{O}_7)

Which arrow should be used for weak acid ionisation equations?

Equilibrium arrow (⇌\rightleftharpoons)

At the same concentration, how does a strong acid's pH compare to a weak acid's pH?

Strong acid has lower pH

Concentration and strength are:

Independent properties

A diprotic acid can donate how many protons per molecule?

Two protons

In sulfuric acid ionisation, which step is the strong acid reaction?

First ionisation (H2SO4\text{H}_2\text{SO}_4)

Explore HSC SSCE Chemistry Revision Notes by Topics

Properties of Acids and Bases

Brønsted-Lowry Theory

Quantitative Analysis

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Properties of Acids and Bases

Brønsted-Lowry Theory

Quantitative Analysis

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Properties of Acids and Bases

Brønsted-Lowry Theory

Quantitative Analysis

Explore HSC SSCE Chemistry Exam Questions by Topics

Properties of Acids and Bases

Brønsted-Lowry Theory

Quantitative Analysis

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