Redox

Oxidation is the _________ of electrons.

• loss

• gain

• sharing

• transfer

Reduction is the ___________ of electrons.

• loss

• gain

• sharing

• transfer

The forward reactions in the Electrochemical Series are examples of...

• Oxidation

• Reduction

Gaining hydrogen is an example of...

• oxidation

• reduction

Tags

NGSS.HS-PS1-2

Gaining oxygen is an example of...

• oxidation

• reduction

Tags

NGSS.HS-LS1-7

Which of the following represents oxidation?

• C → CH₄

• Fe³⁺ → Fe²⁺

• Cl₂ → 2Cl^-

• Zn → ZnO

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which of the following represents reduction?

• C →  CO
• N₂ →  NH₃
• Zn  →   Zn²⁺ 
• H₂ →  H₂O

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-PS1-2

Which element is oxidised in the reaction Zn + 2HCl  $\rightarrow$   ZnCl2 + H2 $\$ 

• Zinc
  

• Hydrogen

• Chlorine

• None

A redox equation has...

• electrons on the left side

• electrons on the right side

• electrons on both sides

• no electrons on either side