Chem 065 - Introductory General Chemistry » Winter 2024 » Chapter 7 Quiz

Need help with your exam preparation?

Existing Quiz Clients Login here
Question #1
Which one of the following compounds will NOT be soluble in water?
A.   PbS
B.   NaOH
C.   LiNO3
D.   MgCl2
E.   K2SO4
Question #2
Pentane (C5H12) reacts with oxygen (O2) to form carbon dioxide (CO2) and water (H2O) according to the following reaction. Answer the question(s) that follow about this reaction. C5H12 + ? O2 → ? CO2 + ? H2O What is the coefficient for water in the balanced equation?
A.   6
B.   4
C.   5
D.   8
E.   2
Question #3
Which of the following gives the balanced equation for this reaction? K3PO4 + Ca(NO3)2 → Ca3(PO4)2 + KNO3
A.   KPO4 + CaNO3 + KNO3
B.   K3PO4 + Ca(NO3)2 → Ca3(PO4)2 + KNO3
C.   K3PO4 + Ca(NO3)2 → Ca3(PO4)2 + 3KNO3
D.   2K3PO4 + Ca(NO3)2 → Ca3(PO4)2 + 6KNO3
E.   2K3PO4 + 3Ca(NO3)2 → Ca3(PO4)2 + 6KNO3
Question #4
The following reaction falls under what type(s) of reaction: H2SO4(aq) + 2NaOH(aq)  Na2SO4(aq) + 2H2O(l)
A.   combination, redox
B.   Single displacement, combustion
C.   decomposition, precipitation
D.   Gas evolution, Single displacement
E.   Double displacement, acid-base
Question #5
Give the complete ionic equation for the reaction that occurs when 3 Co(NO3)2(aq) + 2 Na3PO4(aq) → Co3(PO4)2(s) + 6NaNO3(aq)
A.   3Co2+(aq) + 6NO3¯(aq) + 6Na+(aq) + 2PO43¯(aq) → Co3(PO4)2(s) + 6Na+(aq) + 6NO3¯(aq)
B.   Na+(aq) + NO3¯(aq) → NaNO3(aq)
C.   3Co2+(aq) + 6NO3¯(aq) + 6Na+(aq) + 2PO43¯(aq) → Co3(PO4)2(s) + 6NaNO3(aq)
D.   3Co2+(aq) + NO3¯(aq) + Na+(aq) + 2PO43¯(aq) → Co3(PO4)2(s) + NaNO3(aq)
E.   3Co2+(aq) + 2PO43¯(aq) → Co3(PO4)2(s)
Question #6
Give the net ionic equation for the reaction that occurs when LiOH(aq) + HBr(aq) → H2O(l) + LiBr(aq) 
A.   HBr(aq) → H+(aq) + Br¯(aq)
B.   Li+(aq) + OH¯(aq) + H+(aq) + Br¯(aq) → H2O(l) + LiBr(aq)
C.   Li+(aq) + Br¯(aq) → LiBr(aq)
D.   H+(aq) + OH¯(aq) → H2O(l)
E.   LiOH(aq) → Li+(aq) + OH¯(aq)

Need help with your exam preparation?

Existing Quiz Clients Login here