Half Equations

In the half equation:

Cu --> Cu²⁺ + 2e^-

Copper undergoes...

• Spectatorship

• Reduction

• Deprotonation

• Oxidation

Tags

NGSS.HS-PS1-7

In the half equation: @@ ext{Zn} ightarrow ext{Zn}^{2+} + 2e^-@@, zinc undergoes...

• Spectatorship

• Reduction

• Deprotonation

• Oxidation

Tags

NGSS.HS-PS1-2

Which of the following is a correct half equation for the reduction of copper ions?

• @@ ext{Cu}^{2+} + 2e^- ightarrow ext{Cu}@@

• @@ ext{Cu} ightarrow ext{Cu}^{2+} + 2e^-@@

• @@ ext{Cu}^{+} + e^- ightarrow ext{Cu}@@

• @@ ext{Cu} ightarrow ext{Cu}^{+} + e^-@@

Tags

NGSS.HS-PS1-7

In the half equation: @@ ext{Fe}^{3+} + e^- ightarrow ext{Fe}^{2+}@@, iron is...

• Oxidized

• Reduced

• Neutralized

• Hydrated

Tags

NGSS.HS-PS1-2

Which of the following represents the oxidation of hydrogen gas?

• @@ ext{H}_2 ightarrow 2 ext{H}^+ + 2e^-@@

• @@2 ext{H}^+ + 2e^- ightarrow ext{H}_2@@

• @@ ext{H}_2 + 2e^- ightarrow 2 ext{H}^-@@

• @@ ext{H}_2 ightarrow ext{H}_2^+ + e^-@@

Tags

NGSS.HS-PS1-7

In the half equation: @@ ext{Cl}_2 + 2e^- ightarrow 2 ext{Cl}^-@@, chlorine is...

• Oxidized

• Reduced

• Dissolved

• Evaporated

Which half equation correctly represents the reduction of oxygen gas?

• @@ ext{O}_2 + 4e^- ightarrow 2 ext{O}^{2-}@@

• @@ ext{O}_2 ightarrow ext{O}_2^{2-} + 4e^-@@

• @@2 ext{O}^- + 2e^- ightarrow ext{O}_2@@

• @@ ext{O}_2 + 2e^- ightarrow ext{O}_2^{2-}@@

Tags

NGSS.HS-PS1-2

In the half equation: @@ ext{Ag}^+ + e^- ightarrow ext{Ag}@@, silver ions are...

• Oxidized

• Reduced

• Dissolved

• Precipitated

Tags

NGSS.HS-PS1-2

Which of the following is a correct half equation for the oxidation of magnesium?

• @@ ext{Mg} ightarrow ext{Mg}^{2+} + 2e^-@@

• @@ ext{Mg}^{2+} + 2e^- ightarrow ext{Mg}@@

• @@ ext{Mg} ightarrow ext{Mg}^+ + e^-@@

• @@ ext{Mg}^+ + e^- ightarrow ext{Mg}@@

Tags

NGSS.HS-PS1-7

In the half equation: @@ ext{Pb}^{2+} + 2e^- ightarrow ext{Pb}@@, lead ions are...

• Oxidized

• Reduced

• Neutralized

• Hydrated