A&B Quiz

Which of the following word pairs correctly completes the sentence below?
_______ are corrosive substances characterized as having a strong smell, a sour taste, and a _______.

• Acids; pH less than 7
• Acids; pH greater than 7
• Bases; pH greater than 7
• Bases; pH less than 7

Name the acid: HC₂H₃O₂

• Acetic Acid
• Acetous Acid
• Hydrogen Acetate
• Hydrogen Dicarbon Trihydrogen Dioxygen

Name HF

• hydrofluoric acid
• Hypofluoric acid
• hydrogen fluorine acid
• fluoric acid

Name the acid: H₃PO₃

• hydrophosphoric acid
• phosphorous acid
• phosphoric acid
• phosphoric hydroxide

A neutralization reaction will (almost) always produce...

• water & salt
• water
• salt
• water & carbon

Considering the following precipitation reaction:

Pb(NO₃)₂(aq) + 2KI(aq) → PbI₂(s) + 2KNO₃(aq)

Which compound makes this a precipitation reaction?

• PbI2

• KNO₃

• Pb(NO₃)₂

• KI

Which of the following shows the correct conjugate acid base pair?

• HCI (acid) / H₃O⁺ (conjugate base)
• HCI (acid) / CI^- (conjugate base)
• HCI (base) / CI^- (conjugate acid)
• HCI (base) / H₃O⁺ (conjugate acid)

Which of the following is the correct definition for a strong acid?

• Partially dissociates into ions when dissolved in water and the change is not reversible

• Fully dissociates into ions when dissolved in water and the change is not reversible

• Fully dissociates into ions when dissolved in water and the change is reversible

• Partially dissociates into ions when dissolved in water and the change is reversible

Potassium hydroxide

• KOH
• K2OH
• k(OH)2

If the pH of a solution is 4.0, what is the pOH?

• 4.0

• 10.0

• 1.0 x 10 ^-4

• cannot be determined from the information