Chapter 4 - Single and Double Displacement Reactions

Which of the following definitions best describes a single displacement reaction?

• A chemical reaction in which one element is substituted for another element in a compound

• A reaction in which two elements combine to form a single compound
• A reaction in which a compound breaks down into two or more simpler substances
• A chemical reaction in which the reactants are completely converted to products

How would you classify the following reaction? Zn(s) + 2 HCl(aq) → ZnCl₂(aq) + H₂(g)

• Double displacement reaction

• Synthesis reaction

• Single displacement reaction

• Decomposition reaction

• Complete combustion reaction

How would you classify the following reaction? 2C₃H₈(g) + 7O₂(g) → 6CO₂(g) + 8H₂O(g)

• Double displacement reaction

• Synthesis reaction

• Single displacement reaction

• Decomposition

  reaction

• Complete combustion reaction

How would you classify the following reaction? Pb(NO₃)₂(aq) + 2KI(aq) → PbI₂(s) + 2KNO₃(aq)

• Decomposition reaction

• Synthesis reaction

• Single displacement reaction

• Double displacement reaction

• Complete combustion reaction

When the following equation is correctly balanced, what is the coefficient of Cobalt (II) Hydroxide?

6 KOH + 1Co₃(PO₄)₂ → 2K₃PO₄ + _Co(OH)₂

• 6

• 1.5

• 2

• 3

When the following equation is correctly balanced, what are the correct coefficients for the products? 2BF₃ + 3Li₂SO₃ → _B₂(SO₃)₃ + _LiF

• 1 B₂(SO₃)₃ and 6 LiF

• 5 B₂(SO₃)₃ and 1 LiF

• 2 B₂(SO₃)₃ and 3 LiF

• 1 B₂(SO₃)₃ and 3 LiF

Based on the activity series, what will the products of the following reaction be?

Ni(s) + Fe(NO₃)₃ (aq) →?

• Ni(NO₃)₂ (aq) + Fe (s)

• No reaction

• NiO (s) + FeN (s)

• Fe (s) + N₂ (g)

Based on the activity series, what will the products of the following reaction be? 2Al(s) + 3Zn(NO₃)₂ (aq) → ?

• 3Al(NO₃)₂(aq) + Zn₃(s)

• Zn₃Al₂ (s) + 6NO₃

• 2Al(NO₃)₃(aq) + 3Zn(s)

• No reaction

Based on the activity series, what will the products of the following reaction be? Mg(s) + 2HCl(aq) → ?

• MgCl₂(aq) + H₂(g)

• MgH₂(s) + Cl₂(g)

• No reaction
• Mg₂Cl₂(aq) + H(g)

Hydrochloric acid (HCl) is neutralized by potassium hydroxide (KOH). Which of the options below best describes the type of reaction that would occur?

• Double displacement reaction
• Synthesis reaction
• Decomposition reaction
• Combustion reaction