Acid-Base Chemistry Quiz

What is the definition of an acid according to the Brønsted-Lowry theory?

• A substance that accepts protons

• A substance that donates protons

• A substance that donates electrons

• A substance that accepts electrons

What is the result of the dissociation of HCl in water?

• HCl + H2O → H2 + Cl2

• HCl + H2O → H3O+ + Cl-

• HCl + H2O → H2O2 + Cl-

• HCl + H2O → H+ + Cl2

What should you look for to identify an acid?

• A non-polar bond between H and a metal atom

• A polar bond between H and a non-metal atom

• A polar bond between H and a metal atom

• A non-polar bond between H and a non-metal atom

What is a base according to the Brønsted-Lowry definition?

• A molecule that donates a proton

• A molecule that accepts a proton

• A molecule that donates an electron

• A molecule that accepts an electron

What process is described when a base reacts with water to generate OH⁻?

• Neutralization

• Base ionization

• Acidification

• Precipitation

What should you look for to identify a base?

• A lone pair of electrons

• A pair of protons

• A single electron

• A pair of neutrons

Tags

NGSS.HS-PS1-1

What does the strength of an acid refer to?

• Its ability to donate electrons

• The extent it dissociates into ions in water

• Its ability to accept protons

• The number of neutrons it contains

What is produced when an acid dissociates in water?

• H₂O and OH⁻

• H₃O⁺ and a conjugate base

• Na⁺ and OH⁻

• H⁺ and a conjugate acid

What is the acid dissociation constant (Kₐ) used to measure?

• The concentration of water

• The strength of a base

• The strength of an acid

• The concentration of protons

What does the strength of a base refer to?

• The extent that it ionizes in water

• The color change it causes in litmus paper

• The temperature at which it boils

• The amount of heat it releases when dissolved