1. Consider the following reaction:
NH4Cl (aq) + AgNO3 (aq) → NH4NO3 (aq) + AgCl(s)
Which of the following is not a proper description of the reaction?
a) It is a precipitation reaction.
b) It is a neutralization reaction.
c) It is a double displacement reaction.
d) It is an ion exchange reaction.
2. Consider the following reaction:
K2CO3 (aq) + Ni(NO3)2 → 2KNO3(aq) + NiCO3(s)
What is the chemical name of the insoluble product?
3. Consider the following reaction:
2KCl(aq) + Pb(NO3)2(aq) → 2KNO3(aq) + PbCl2(s)
How many unit(s) of KCl is reacting with 1 unit of Pb(NO3)2?
4. Balance the following incomplete chemical reaction equation by inserting the proper coefficient number in front of each chemical:
a AgNO3 + b CaCl2(aq) → c Ca(NO3)2(aq) + d AgCl(s)
5. Balance the following incomplete chemical reaction equation by inserting the proper coefficient number in front of each chemical:
a Pb(NO3)2 (aq) + b NaBr (aq) → c NaNO3(aq) + d PbBr2 (s)
Which of the following combinations of reagents will result in a precipitation reaction upon mixing?
a) Kl + Na2CO3
b) Na2S + Pb(NO3)2
c) Na2S + Mn(NO3)2
d) Ni(NO3)2 + AgNO3
Which of the following combinations of reagents will result in the formation of a bright yellow precipitate upon mixing?
a) Pb(NO3)2 + Ba(NO3)2
b) Pb(NO3)2 + Na2CO3
c) Pb(NO3)2 + Na2CO3
d) Pb(NO3)2 + NaI
Which of the following combinations of reagents will result in the formation of a white precipitate upon mixing?
a) Na2S + Na2CO3
b) Pb(NO3)2 + Na2CO3
c) AgNO3 + NaCl
d) Cu(NO3)2 + Na2CO3