Net Ionic Equations

Which is the correct net ionic equation for this reaction?

AgNO₃ + CaCl₂ → AgCl + Ca(NO₃)₂

• Ca²⁺ (aq) + 2Cl^- (aq) → CaCl₂ (s)

• Ag⁺(aq) + Cl^- (aq) → AgCl(s)

• Ag + Cl → AgCl

• Ag⁺ + Ca²⁺ → Ag₂Ca (s)

Tags

NGSS.HS-PS1-7

Which of the following reactions does NOT form a precipitate?

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

• Pb(NO₃)₂ (aq) + K₂SO₄ (aq) → PbSO₄ + KNO₃

• AgNO₃ (aq) + Na₂S (aq) → Ag₂S + NaNO₃

• KCl (aq) + NaNO₃ (aq) → NaCl + KNO₃

What are the spectator ions in this reaction?

NaCl + AgNO₃ → AgCl + NaNO₃

• Ag⁺ and NO₃^-

• Na⁺ and Cl^-

• Na⁺ and NO₃^-

• Ag⁺ and Cl^-

What is the result of this reaction?

2KBr + Na₂S → K₂S + 2NaBr

• K₂S precipitates

• NaBr precipitates

• KBr precipitates

• No precipitate is formed

Which is the correct net ionic equation for this reaction?

3KOH + FeCl₃ → 3KCl + Fe(OH)₃

• 3K⁺ (aq) + 3Cl^- (aq) → 3KCl (s)

• Fe³⁺ (aq) + 3OH^- (aq) → Fe(OH)₃ (s)

• Fe³⁺ (aq) + Cl^- (aq) → Fe(OH)₃ (s)

• 3K⁺ (aq) + 3OH^- (aq) + Fe³⁺ (aq) + 3Cl^- (aq) → Fe(OH)₃ (s)

Tags

NGSS.HS-PS1-7

What are the spectator ions in this reaction?

CuCl₂ + 2NaOH → Cu(OH)₂ + 2NaCl

• Cu²⁺ and OH^-

• Cu²⁺ and Cl^-

• Na⁺ and Cl^-

• Na⁺ and OH^-

What is the precipitate formed in this reaction?

3CaS + 2Al(NO₃)₃ → Al₂S₃ + 3Ca(NO₃)₂

• CaS

• Al(NO₃)₃

• Al₂S₃

• Ca(NO₃)₂

What are the spectator ions in this reaction?

3Pb(NO₃)₂ + 2AlCl₃ → 3PbCl₂ + 2Al(NO₃)₃

• Pb²⁺ and Cl^-

• Cl^- and Al³⁺

• Al³⁺ and NO₃^-

• NO₃^- + Pb²⁺