Acids and Bases

Front

What is the formula for the conjugate acid of F⁻?

Back

HF

Front

What is the common chemical name for Vitamin C?

Back

ascorbic acid

Front

How can you tell that HCl loses an H⁺ ion rather than a hydrogen atom in a reaction?

Back

The H₃O⁺ on the product side gained the H and it has a charge.

Front

Why is CO₃⁻² considered the 'base' part of the pair in a reaction?

Back

Because it accepts the hydrogen ion back in the reverse reaction to regenerate HCO₃⁻.

Front

Why does the charge on the carbon-containing ion change from -1 to -2 in a reaction?

Back

The H is a H⁺ ion, not a neutral H.

Front

Define an acid according to the Brønsted-Lowry theory.

Back

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

Front

Define a base according to the Brønsted-Lowry theory.

Back

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

Front

What is the pH scale used for?

Back

The pH scale measures the acidity or basicity of a solution.

Front

What is the pH of a neutral solution at 25°C?

Back

7.0

Front

What is a strong acid? Give an example.

Back

A strong acid completely dissociates in solution. Example: HCl.