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WorksheetsAcid Base Concepts
Total questions: 12
Worksheet time: 6mins
Name a common Arrhenius base.
Ammonium sulfate ((NH4)2SO4)
Sodium hydroxide (NaOH)
Potassium chloride (KCl)
Calcium carbonate (CaCO3)
According to Arrhenius theory, an acid is a substance that:
Increases the hydroxide ion concentration in solution
Increases the hydrogen ion concentration in solution
Accepts a proton from another substance
Donates an electron pair in solution
In the reaction: NH₃ + H₂O ⇌ NH₄⁺ + OH⁻, which species acts as the Brønsted-Lowry acid?
NH₃
H₂O
NH₄⁺
OH⁻
In the reaction: HCl + H₂O → H₃O⁺ + Cl⁻, what is the conjugate acid of H₂O?
a) HCl
b) Cl⁻
c) H₃O⁺
d) OH⁻
What is the conjugate base of H₂SO₄ in water?
a) SO₄²⁻
b) HSO₄⁻
c) H₃O⁺
d) OH⁻
Which of the following is NOT a Lewis acid?
A) AlCl₃
B) Ag⁺
C) CH₃OH
D) Fe³⁺
According to the Lux-Flood concept, which of the following is an acid?
A
B
C
D
In the Lux-Flood concept, which of the following would be classified as a base?
A
B
C
D
a
b
c
d
a
b
c
d
a
b
c
d
In the Usanovich concept, metals that readily lose electrons (such as sodium and potassium) are classified as:
a) Acids
b) Bases
c) Amphoteric substances
d) Neutral substances
