QUIZ 4-4: Predicting Precipitates in Reactions

When solutions of two ionic compounds are combined and a solid forms, the process is called

• hydration

• solvation

• dissociation

• precipitation

Which of the following pairs of solutions produces a precipitate when combined?

• Cu(NO₃)₂ and NaCl

• Fe(NO₃)₃ and MgCl₂

• Cu(NO₃)₂ and K₂CO₃

• CaCl₂ and NaNO₃

When solutions of MgCO₃ and Fe₂(SO₄)₃ are combined, what precipitate(s) forms?

• MgSO₄

• neither form a precipitate

• MgSO₄ and Fe₂(CO₃)₃

• Fe₂(CO₃)₃

What precipitate forms when you mix barium nitrate with sodium sulfate?

• sodium nitrate 
• barium nitrate
• barium sulfate
• sodium sulfate

What precipitate forms when you mix lead (II) nitrate with sodium chloride?

• sodium nitrate 
• lead (II) chloride 
• sodium lead
• chloride nitrate 

Which of these results in the formation of a precipitate?

• AgNO₃(aq) + NaOH(aq)→

• Ba(NO₃)₂(aq) + CaCl₂(aq)→

• NaNO₃(aq) + KOH(aq)→

• More than one of these form precipitates

In this equation,
ZnCl₂ + LiOH  → Zn(OH)₂ + LiCl
Which product is insoluble?

• zinc hydroxide
• lithium chloride
• lithium hydroxide
• zinc chloride

What is the precipitate formed when you mix silver nitrate with copper chloride?

• copper nitrate
• copper chloride
• silver chloride
• silver nitrate

In this equation,
CuCl₂ + NaOH  → Cu(OH)₂ + NaCl
Which product is insoluble?

• copper(II) hydroxide
• sodium chloride
• sodium hydroxide
• copper(II) chloride

What precipitate forms when you mix lead (II) nitrate with sodium chloride?

• sodium nitrate 
• lead (II) chloride 
• sodium lead
• chloride nitrate