Acids and Bases

Front

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

Back

An acid is a substance that donates a proton (H+) to another substance.

Front

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

Back

A base is a substance that accepts a proton (H+) from another substance.

Front

Define conjugate acid.

Back

A conjugate acid is the species formed when a base gains a proton.

Front

Define conjugate base.

Back

A conjugate base is the species that remains after an acid donates a proton.

Front

What is the conjugate base of HCl?

Back

The conjugate base of HCl is Cl^-.

Front

What is the conjugate acid of NH3?

Back

The conjugate acid of NH3 is NH4^+.

Front

What is the relationship between strong acids and their conjugate bases?

Back

Strong acids have weak conjugate bases.

Front

What is the relationship between weak acids and their conjugate bases?

Back

Weak acids have strong conjugate bases.

Front

What does it mean for a substance to be amphoteric?

Back

An amphoteric substance can act as both an acid and a base.

Front

What is the pH scale?

Back

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