Acid and Base Review Test

What is the acid name for HCN(aq)?

• Cyanic acid

• Aqueous hydrogen cyanide

• Cyanidous acid

• Hydrocyanic acid

Answer explanation

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Which of the following options is true for an acidic solution at 30^oC?

Which is the following is true about a basic solution?

Dish washing solutions feel slippery. A typical pH value for a dish washing solution might be...

• 2.0

• 6.0

• 10.0

• 14.0

Solution X turns pink when a few drops of phenolphthalein are added to it. Solution X is a...

• Base

• Acid

• Neutral salt

• Non-electrolyte

A tablet of acetylsalicylic acid (ASA) is dissolved in a glass of water and the pH of the solution was measured. If the pH of the ASA solution is 3.0, then the [H₃O⁺] is

• 0.001M

• 0.0001M

• 3M

• 4M

Solution A has a pH of 2 and a [H⁺] of C_A. Solution B has a pH of 12 and a [H⁺] of C_B. The relationship between concentrations of solution A and B can be expressed as...

If the pH of a solution rises from 10 to 11, the hydronium concentration has...

• increased by 10%

• decreased by 10%

• increased by a factor of 10

• decreased by a factor of 10

When the pH of an acid solution increases...

• The number of hydronium and hydroxide ions increase

• The number of hydronium and hydroxide ions decrease

• The number of hydronium ions decreases, and the number of hydroxide ions increase

• The number of hydronium ions increases, and the number of hydroxide ions decreases