Acid/Base Practice 2024

Front

What is an acid?

Back

An acid is a substance that donates protons (H+) in a chemical reaction. It typically has a sour taste and can turn blue litmus paper red.

Front

What is a base?

Back

A base is a substance that accepts protons (H+) or donates hydroxide ions (OH-) in a chemical reaction. It usually has a bitter taste and can turn red litmus paper blue.

Front

What is the pH scale?

Back

The pH scale measures the acidity or basicity of a solution, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.

Front

What is a conjugate acid?

Back

A conjugate acid is the species formed when a base gains a proton (H+).

Front

What is a conjugate base?

Back

A conjugate base is the species that remains after an acid donates a proton (H+).

Front

What is a strong acid?

Back

A strong acid is an acid that completely dissociates in water, releasing all of its protons.

Front

What is a weak acid?

Back

A weak acid is an acid that partially dissociates in water, meaning not all of its protons are released.

Front

What is the role of water in acid-base reactions?

Back

Water can act as both an acid and a base, depending on the reaction. It can donate protons (acting as an acid) or accept protons (acting as a base).

Front

What is the difference between a strong base and a weak base?

Back

A strong base completely dissociates in water, while a weak base only partially dissociates.

Front

What is the Arrhenius definition of acids and bases?

Back

According to the Arrhenius definition, an acid is a substance that increases the concentration of H+ ions in water, while a base increases the concentration of OH- ions.