Unit 11 Review

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

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

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

In the reaction Zn + H₂O → ZnO₂ + H₂ which element is oxidized? 

• Zinc
• Hydrogen
• Oxygen
• None

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

Identify the complete ionic reaction for products of this reaction: (final answer is not balanced)

HCl + Mg(OH)₂ →

• → MgCl₂ + H₂O_(l)

• → Mg²⁺ + Cl^-1 + H₂O_(l)

• → Mg²⁺ + Cl^-1 + H⁺¹ + O^2-

• → MgCl₂ + H₂O_(l) + CO_2(g)

NH₃ + H₂O → NH₄⁺ + OH^-

NH₃ is a Bronsted Lowry

• Acid

• Base

• conjugate acid

• conjugate base

HCO₃^- + H₂O → H₃O⁺ + CO₃^2-

Water is acting as

• a Bronsted Lowry base

• a Bronsted Lowry acid

• a strong acid

• a weak acid