6.4 (REDOX)

Question 1

A redox reaction

Answer 1

is a reaction involving simultaneous oxidation and reduction

Question 2

Oxidation

Answer 2

is the loss of electrons or an increase in oxidation number

Question 3

Reduction

Answer 3

is the gain of electrons or a decrease in oxidation number

Question 4

Oxidising agent (oxidant)

Answer 4

is a substance that oxidises another substance and is
itself reduced

Question 5

Reducing agent (reductant)

Answer 5

is a substance that reduces another substance and is
itself oxidised