Chemical Reactions

Front

What is the oxidation number of sulfur (S) in sulfate (SO₄²⁻)?

Back

+6

Front

What type of reaction is represented by the formula A + B → AB?

Back

Synthesis

Front

What type of reaction is represented by the formula AB + CD → CB + AD?

Back

Double Replacement

Front

What is the oxidation number of nitrogen (N) in nitrite (NO₂¹⁻)?

Back

+3

Front

Which of the following represents a reduction? SO₃ to SO₄²⁻, Mn₂O₃ to MnO₂, H₂O₂ to OH⁻, CrO₄²⁻ to Cr₂O₇²⁻?

Back

H₂O₂ to OH⁻

Front

Define oxidation in terms of electron transfer.

Back

Oxidation is the process of losing electrons.

Front

Define reduction in terms of electron transfer.

Back

Reduction is the process of gaining electrons.

Front

What is a synthesis reaction?

Back

A reaction where two or more reactants combine to form a single product.

Front

What is a decomposition reaction?

Back

A reaction where a single compound breaks down into two or more products.

Front

What is a single replacement reaction?

Back

A reaction where one element replaces another in a compound.