net ionic equation

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

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

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

• K⁺_(aq) + SO₄^2-_(aq) → KSO_{4 (s)}

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

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

Which of the following compounds is INSOLUBLE?

• magnesium phosphate

• magnesium sulfate

• magnesium iodide

• magnesium nitrate

• none of the above

What would be the formula of the precipitate that forms when Pb(NO₃)₂ (aq) and K₂SO₄ (aq) are mixed?

• K(NO₃)₂

• PbSO₄

• PbK₂

• H₂O

Considering the following precipitation reaction:

Pb(NO₃)₂(aq) + 2KI(aq) → PbI₂(s) + 2KNO₃(aq)

Which compound would not form ions in the complete ionic equation?

• PbI2

• KNO₃

• Pb(NO₃)₂

• KI

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) →

In this equation,

CuCl₂+ NaOH → Cu(OH)₂ + NaCl

Identify the insoluble product?

• 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