Redox Reactions

A redox reaction is NOT:

• all reactions

• a combustion reaction

• a reduction-oxidation reaction

• a reaction in which electrons are transferred from one atom to another

Combustion and single-replacement reactions are __________ redox reactions.

• always

• never

• sometimes

• mostly

_____________ synthesis and decomposition reactions involve the transfer of electrons.

• All

• Most

• No

• Some

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Defined as the loss of electrons.

• oxidation

• reduction

• redox

• OIL RIG

Defined as the gain of electrons.

• oxidation

• redox

• reduction

• LEO GER

Cl₂ + 2e- --> 2Cl ^- is an example of:

• a chemical reaction

• redox

• oxidation

• reduction

These keep track of the movement of electrons.

• (+) and (-) signs

• oxidation numbers

• coefficients

• subscripts

An increase in oxidation number.

• more acidic

• reduction

• less basic

• oxidation

A decrease in oxidation number.

• concentrated

• reduction

• oxidation

• dilute

What is the oxidation number of C in SrCO₃?

• -4

• +2

• -6

• +4