AP Chem 8.1,8.2 Introduction to Acids and Bases

• HI → H⁺ + I^-

• HI → H₂ + I₂

• HI → H₂I

• HI → Hello

What is the simple dissociation equation for the following acid.

HNO₂

• HNO₂ → H⁺ + NO₃^-

• HNO₃ → H₂O + NO₃⁺

• HNO₃ → H₂ + NO₃^-

• HNO₂ → NO₃^-

Which formula would be used to find the hydronium concentration of an acid?

• pH = -log[OH^-]

• H₂0 (l)

• E = mc²

• pH = -log[H₃O⁺]

What is the pH of a solution with [H₃O⁺] = .0003 M?

• 6

• 3.5

• .9

• 1.9

Acids are ......

• proton (H+) acceptors

• proton (H+) donors

• OH^- donors

• OH^- acceptors

Bases ....

• are H⁺ acceptors

• are H⁺ donors

• taste sour.

• react with metals to form H_2.

What is the pOH of lemon juice which has a pH of 2.0?

• 5

• 7

• 14

• 12

Which of the following are products for the reaction of hydrofluoric acid and water?

HF+ H₂O ↔

• H₃O⁺ + F^-

• H₂ + F₂

• OH^- + F₂

• H₂O + F₂

Give the products of the following acid/base reaction that occur in water: HNO₂ + H₂O ↔

• H₃O⁺ + NO₂^-

• H₂O + NO₂^-

• HNO₂ + OH^-

• H₂O + NO₃^-

What is the universal indicator (Bogan's) color of a weak acid?

• green

• orange/yellow

• red

• black and gold

• blue/purple