Redox Intro 2024

What is the oxidation number of chlorine in HClO?

• 0

• -1

• +1

• +5

Oxidation is the _________ of electrons.

• loss

• gain

• sharing

• transfer

Tags

NGSS.HS-PS1-1

Reduction is the ___________ of electrons.

• loss

• gain

• sharing

• transfer

What is the oxidation number of nitrogen in N₂?

• -3

• 0

• +4

• -1

The sum of the oxidation numbers in Na₂CO₃ is equivalent to

• 0

• -2

• +1

• -1

What is the oxidation number of iodine in KIO₃?

• 0

• -1

• +5

• +1

Which statement is true:
Mg → Mg²⁺ + 2e^–

• Mg gains 2 electrons
• Mg_²⁺ loses 2 electrons
• Mg loses 1 electron
• Mg loses 2 electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following half reactions correctly represents a reduction half reaction?

• Fe →Fe²⁺ + 2e^-
• Pb⁴⁺ + 2e^- →Pb²⁺
• 2O^-2 →O₂ + 4e^-
• Fe + 3e^- →Fe³⁺

Defined as the loss of electrons.

• oxidation

• reduction

• redox

• OIL RIG

Defined as the gain of electrons.

• oxidation

• redox

• reduction

• LEO GER