Acids and Bases

Which of the following statements is true about weak acids?

• They fully dissociate in water.

• They do not dissociate at all.

• They partially dissociate in water.

• They increase the pH of the solution.

What is the pH range of acidic solutions?

• 0-6

• 7-14

• 8-14

• 0-7

Which pH value indicates a neutral solution?

• 0

• 7

• 14

• 10

What is the pH range of alkaline solutions?

• 0-6

• 7-14

• 8-14

• 0-7

Which of the following pH values indicates an acidic solution?

• 7

• 8

• 6

• 9

How do you calculate the concentration of H₃O⁺ from pH?

• [H₃O⁺] = pH/10

• [H₃O⁺] = pH²

What is the formula to calculate pOH from the concentration of hydroxide ions ([OH⁻])?

• pOH = -log[H⁺]

• pOH = -log[OH⁻]

• pOH = log[OH⁻]

• pOH = log[H⁺]

Which of the following is a strong base?

• Ammonia

• Sodium hydroxide

• Acetic acid

• Hydrogen peroxide

Strong acids and bases...

• do not break apart into ions (non-electrolyte)
• partially break apart into ions (weak electrolyte)
• completely break apart into ions (non-electrolyte)
• completely break apart into ions (strong electrolyte)

Which of the following is a strong acid?

• NaOH

• HCl

• HF

• H₂O