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Chemistry - Chemical Reactions - Redox Reactions | Worksheet

NextOxidation Reduction

Redox Reactions

Chemical Reactions • Chemistry

Set 2 — Foundation

In the reaction $Zn + Cu^{2+} \rightarrow Zn^{2+} + Cu$ , which element is oxidized?

Zinc ( $Zn$ )

Copper ( $Cu$ )

Copper ion ( $Cu^{2+}$ )

In a redox reaction, the species that gains electrons is called what?

Oxidizing agent

Reducing agent

Anode

Cathode

What is the oxidation state of sulfur in $H_{2}SO_{4}$ ?

In the reaction $2Fe^{3+} + 2e^{-} \rightarrow 2Fe^{2+}$ , what type of reaction is occurring?

Which of the following elements is commonly reduced in redox reactions?

Oxygen ( $O$ )

Hydrogen ( $H$ )

Carbon ( $C$ )

Nitrogen ( $N$ )

In the half-reaction $Cl_{2} + 2e^{-} \rightarrow 2Cl^{-}$ , what is the role of ?

What is the reduction potential of a half-cell reaction?

Measure of ability to gain electrons

Measure of ability to lose electrons

Always positive

Dependent on concentration only

In the reaction $2Na + Cl_{2} \rightarrow 2NaCl$ , what is being oxidized?

Sodium ()

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Other Sets

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Set 1Foundation Set 2Foundation Set 3Foundation Set 4Mastery Set 5Mastery Custom Worksheet

Other Sets

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Set 1Foundation Set 2Foundation Set 3Foundation Set 4Mastery Set 5Mastery Custom Worksheet

Zinc ion ( $Zn^{2+}$ )

Oxidation

Reduction

Neutralization

Combination

−

Cl_{2}

Oxidizing agent

Reducing agent

Product

Catalyst

Na

N a

Chlorine ( $Cl_{2}$ )

Sodium chloride ( $NaCl$ )

None of the above

Which of the following represents an oxidation reaction?

$2H_{2} + O_{2} \rightarrow 2H_{2}O$

$Cu^{2+} + 2e^{-} \rightarrow Cu$

$Fe \rightarrow Fe^{3+} + 3e^{-}$

$Zn + 2H^{+} \rightarrow Zn^{2+} + H_{2}$

10.

What is the overall change in oxidation state for $Fe^{2+} \rightarrow Fe^{3+}$ ?

-1