Precipitation Reactions and Net Ionic Equations

Which of these results in the formation of a precipitate?

• AgNO₃(aq)  +  NaOH(aq)→
• BaNO₃(aq)  +  CaCl₂(aq)→
• NaNO₃(aq)  +  KOH(aq)→
• More than one of these form precipitates

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

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

What is the name of the precipitate (ppt) formed in the reaction of calcium sulfide and aluminum nitrate

• calcium nitrate

• aluminum sulfide

• no ppt is formed

• aluminum nitrate

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

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

Which of the following does NOT form a precipitate?

• AgNO₃(aq) + 2KBr(aq) →
• LiNO_3 (aq) + NaC₂H₃O₂(aq) →
• Ca(NO₃)₂(aq) + K₂CO₃(aq) →
•  Ba(NO₃)_{2 (aq)} + Na₂SO_4(aq) →

Which is the correct net ionic equation for the reaction of AgNO₃ and CaCl₂?

• Ca²⁺(aq) +  2Cl^1- (aq) → CaCl(s)
• Ag⁺(aq)  +  Cl^1- (aq) → AgCl(s)
• Ag +  Cl  →  AgCl
• Ag⁺  +  Ca²⁺   →Ag₂Ca (s)

Tags

NGSS.HS-PS1-7

What are the spectator ions in this reaction?
CuCl₂(aq) + NaOH(aq) → Cu(OH)₂(s) + NaCl(aq)
 

• Cu²⁺ and OH^1-
• Na²⁺ and Cl^2-
• Na¹⁺ and Cl^1-
• Na¹⁺ and OH^1-

Which of the following does NOT form a precipitate?

• Pb(NO₃)₂(aq) + 2KI(aq) →
• Sr(NO₃)_{2 (aq)} + K₂SO_4(aq) →
• AgNO₃(aq) + Na₂S(aq) →
•  Pb(NO₃)₂(aq) + AgNO₃(aq) →

What are the spectator ions in the reaction of sodium chloride with silver nitrate?

• silver and nitrate
• sodium and chloride
• sodium and nitrate
• silver and chloride

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

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