REDOX REACTIONS (1)

Defined as the loss of electrons.

• oxidation

• reduction

• redox

• OIL RIG

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Defined as the gain of electrons.

• oxidation

• redox

• reduction

• LEO GER

Tags

NGSS.HS-PS1-2

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

• a chemical reaction

• redox

• oxidation

• reduction

Tags

NGSS.HS-PS1-2

An increase in oxidation number.

• more acidic

• reduction

• less basic

• oxidation

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A decrease in oxidation number.

• concentrated

• reduction

• oxidation

• dilute

What is the oxidation number of C in SrCO₃?

• -4

• +2

• -6

• +4

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is a spectator ion?

• An ion that undergoes oxidation

• An that undergoes reduction

• An ion not involved in the redox reaction

In the half equation:

Cu --> Cu²⁺ + 2e^-

Copper undergoes...

• Spectatorship

• Reduction

• Deprotonation

• Oxidation

If the oxidation number of an element reduces in a redox reaction, then this corresponds to the process of...

• Reduction

• Oxidation

What is the oxidation number of Mg in MgCl₂ (Magnesium Chloride)?

• +1

• +2

• -1

• -2