Acid Base Chemistry Review

Which substance can be classified as an Arrhenius acid?

• KF

• HF

• KOH

• LIH

Which compound is an Arrhenius base?

• CO₂

• CaSO₄

• Ca(OH)₂

• C₂H₅OH

Which acid and base react to form water and sodium sulfate?

• sulfuric acid and sodium hydroxide

• sulfuric acid and potassium hydroxide

• sulfurous acid and sodium hydroxide

• sulfurous acid and potassium hydroxide

How many milliliters of 0.600 M H₂SO₄ are required to exactly neutralize 100. milliliters of 0.300 M NaOH?

• 25.0 mL

• 50.0 mL

• 100.0 mL

• 200.0 mL

If the pH of a solution is 9, the solution is

• acidic, which turns phenolphthalein pink

• acidic, which turns phenolphthalein colorless

• basic, which turns phenolphthalein pink

• basic, which turns phenolphthalein colorless

Which solution when mixed with a drop of bromthymol blue will cause the indicator to change from blue to yellow?

• 0.1 M HCl

• 0.1 M NH₃

• 0.1 M CH₃OH

• 0.1 M NaOH

Tags

NGSS.MS-PS1-2

As an acidic solution is added to a basic solution, the pH of the basic solution

• decreases

• increases

• remains the same

When the pH value of a solution is changed from 1 to 2, the concentration of hydronium ions

• decreases by a factor of 2

• increases by a factor of 2

• decreases by a factor of 10

• increases by a factor of 10

If a solution has a hydronium ion concentration of 1 × 10^–5 M, the solution is

• basic and has a pH of 9

• basic and has a pH of 5

• acidic and has a pH of 9

• acidic and has a pH of 5

In the reaction:

H₂PO₄^- + H₂O ↔ H₃PO₄ + OH^-

Which pair represents an acid and its conjugate base?

• H₂O and H₂PO₄^-

• H₂O and H₃PO₄

• H₃PO₄ and OH^–

• H₃PO₄ and H₂PO₄^–