Acids/Redox/Net ionic

Which of these lists contains only soluble substances? Don't forget that the halides (family 17) will form precipitates with Ag+, Pb2+ and Hg2+.

• sodium nitrate, potassium chloride, calcium carbonate
• lead nitrate, lead chloride, lead sulfate
• calcium nitrate, copper chloride, ammonium phosphate
• silver nitrate, barium sulfate, copper carbonate

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

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

Tags

NGSS.HS-PS1-2

Which pair could be spectator ions?

• NH₄⁺ and Cl^-
• Ca⁺² and OH^-
• Ag+ and Br-
• Sr⁺² and CO₃ ^-2

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

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

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

In the reaction
2Ca(s) + O₂(g) → 2CaO(s), calcium is...

• Reduced
• Synthesized
• Oxidized
• None of the above

Tags

NGSS.HS-PS1-2

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

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

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

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-

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

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

Tags

NGSS.HS-PS1-2