Redox Reactions

Front

What is oxidation?

Back

Oxidation is defined as the loss of electrons from a substance.

Front

What is reduction?

Back

Reduction is defined as the gain of electrons by a substance.

Front

What does OIL RIG stand for?

Back

OIL RIG stands for 'Oxidation Is Loss, Reduction Is Gain'.

Front

What is a reducing agent?

Back

A reducing agent is a substance that reduces another substance by losing electrons.

Front

What is an oxidizing agent?

Back

An oxidizing agent is a substance that oxidizes another substance by gaining electrons.

Front

What is the oxidation number of an element in its elemental form?

Back

The oxidation number of an element in its elemental form is 0.

Front

What is the oxidation number of oxygen in most compounds?

Back

The oxidation number of oxygen in most compounds is -2.

Front

What is the oxidation number of hydrogen in most compounds?

Back

The oxidation number of hydrogen in most compounds is +1.

Front

What is a half-reaction in redox chemistry?

Back

A half-reaction is an equation that shows either the oxidation or reduction process separately.

Front

What is the overall reaction for the formation of ammonia from nitrogen and hydrogen?

Back

N2 + 3H2 → 2NH3.