3.1 Reactions in Aqueous Solutions Notes

Multiple Choice

When one of the parts of the solution is water we call it _________. 

• water stuff 
• water mixture 
• aqua-man
• aqueous 

Multiple Choice

This is the part of the solution that causes the dissolving to occur.

• solute

• solvent

• salt water

• the saturant

Multiple Choice

What is it about the water molecule that makes it a great solvent?

• water demonstrates polarity; a partial charge on each side of the molecule
• due to its molecular formula
• it has a liner molecular shape
• due to it's non-polar molecular structure

Multiple Choice

Define: Net Ionic Equation

• a balanced chemical equation in which all the reactants and products are given by their chemical formula.

• a chemical equation that shows all soluble species broken into their respective ions.

• a chemical equation showing only the species which are actively involved in the reaction.

Multiple Choice

Write the chemical equation that represents the dissociation of the ionic compound Na₂(SO₄) .

• Na⁺² + (SO₄)^-1

• Na⁺¹ + (SO₄)^-1

• Na⁺² + (SO₄)^-4

• Na⁺¹ + (SO₄)^-2

Multiple Choice

Which of the following shows the correct disassociation of the reaction for BaCl₂?

• Ba ²⁺ (aq) + Cl₂ ^- (aq) → BaCl₂ (s)

• Ba ²⁺ (aq) + 2 Cl ^- (aq) →BaCl₂ (s)

• BaCl₂ (aq) →Ba ²⁺ (aq) + 2 Cl ^- (aq)

• BaCl₂(s)→Ba ²⁺(aq)+ 2Cl^- (aq)

Multiple Choice

What 2 ions appear on both sides of the equation?

Na⁺ (aq) + Cl^- (aq) + Ag ⁺ (aq) + (NO₃)+ (aq)→Na⁺ (aq) + (NO₃) + AgCl(s)

• Ag and NO₃

• Na and Cl

• Na and NO₃

• Ag and Cl

Multiple Choice

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-

Multiple Choice

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)

Multiple Choice

What is the net ionic equation for the reaction between K₃PO_{4 (aq)} and CuSO_{4 (aq)}

• 2 K⁺_(aq) + SO₄^2-_(aq) → K₂SO_{4 (aq)}

• K⁺_(aq) + SO₄^2-_(aq) → KSO_{4 (aq)}

• 3 Cu²⁺_(aq) + 2 PO₄^3-_(aq) → Cu₃(PO₄)_{2 (s)}

• Cu²⁺_(aq) + PO₄^3-_(aq) → CuPO_{4 (s)}

Multiple Choice

What is the correct net ionic equation for the reaction between HBr_(aq) and LiOH_(aq)?

• H⁺²_(aq) + O^2-_(aq) → H₂O_(l)

• 2 H_{2 (aq)} + O_2(aq) → 2 H₂O_(l)

• 2 H_{2 (g)} + O_2(g) → 2 H₂O_(l)

• H⁺_(aq) + OH^-_(aq) → H₂O_(l)

Multiple Choice

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)