Chapter 8 Review

According to the activity series, which of the following single replacement reactions can occur?

• Ca + Al₂(SO₄)₃
• Fe + NaOH
• Ni + MgSO₄
• Al + KOH

Which of the following equations represents the balanced synthesis reaction of iron (III) and oxygen?

• Fe + 3 O₂ → Fe₂O₃
• 3 Fe + 3 O₂ → 2 Fe₂O₃
• 2 Fe + O₂ → Fe₂O₃
• 4 Fe + 3 O₂ → 2 Fe₂O₃

What are the correct formulas and coefficients for the products of the following double-replacement reaction?
RbOH + H₃PO₄ →

• Rb₃PO₄ + 3 H₂O
• Rb(PO₄)₃ + H₂O
• H₃Rb + PO₄OH
• RbPO₄ + 2 H₂O

What are the correct formulas and coefficients for the products of the following single-replacement reaction?
Mg + Al(OH)₃ →

• No Reaction
• Al + Mg(OH)₃
• 2 Al + 3 Mg(OH)₂
• 3 Al + MgOH₃

What are the products of this reaction: Fe + Na₂CO₃ ?

• Na₂ + Fe(CO₃)₂
• Na + CO₃Fe
• Na + Fe₂CO₃
• No Reaction

Which element is higher in reactivity, Ag or Ca?

• Ag

• Ca

• Neither

• They're equal

What are the products of this single replacement reaction: Mg + CuSO₄

• Cu + MgSO₄
• Cu + SO₄Mg
• Cu + Mg(SO₄)₂
• No Reaction

What is the generic formula for a single replacement reaction? 

• A + BC ---> CA + B
• A + BC ---> BC + A
• A + BC ---> AB + C
• A + BC ---> AC + B

Which element is highest in reactivity?

• Gold
• Lithium
• Lead
• Iron

A compound that contains only carbon and hydrogen and that produces CO₂ and H₂O when burned is called a(n)

• binary compound
• carbonate
• ionic compound
• hydrocarbon