Net Ionic Equations

Which is the correct net ionic equation for the reaction of:

AgNO₃ (aq) + CaCl₂ (aq) -> AgCl (s) + Ca(NO₃)₂ (aq)

• 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-

Tags

NGSS.HS-PS1-7

What is the correct net ionic equation for the reaction between HBr_(aq) and LiOH_(aq) that produces LiBr_(aq) and H₂O_(l)?

• 2 H⁺_(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)

What is the net ionic equation for the reaction between K₃PO_{4 (aq)} and CuSO_{4 (aq)} that produces K₂SO_{4 (aq)} and Cu₃(PO₄)_{2 (s)}?

• 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)}

Tags

NGSS.HS-PS1-7

Which is the name of the kind of solid substance formed in this figure?  

• aqueous 
• precipitate
• acid
• synthesis 

Tags

NGSS.MS-PS1-2

Which of the following reactions does NOT form a precipitate?

• Pb(NO₃)₂ (aq) + 2KI (aq) → PbI_{2 (s)} + 2KNO_{3 (aq)}

• Pb(NO₃)₂ (aq) + K₂SO₄ (aq) → PbSO_{4 (s)} + KNO_{3 (aq)}

• AgNO₃ (aq) + Na₂S (aq) → Ag₂S (s)+ NaNO_{3 (aq)}

• KCl (aq) + NaNO₃ (aq) → NaCl (aq) + KNO_{3 (aq)}

What are the spectator ions in this reaction?

NaCl_(aq) + AgNO_3(aq) → AgCl_(s) + NaNO_3(aq)

• Ag⁺ and NO₃^-

• Na⁺ and Cl^-

• Na⁺ and NO₃^-

• Ag⁺ and Cl^-

What is the result of this reaction?

2KBr_(aq) + Na₂S_(aq) → K₂S_(aq) + 2NaBr_(aq)

• K₂S precipitates

• NaBr precipitates

• KBr precipitates

• No precipitate is formed

Which is the correct net ionic equation for this reaction?

3KOH_(aq) + FeCl_3(aq) → 3KCl_(aq) + Fe(OH)_3(s)

• 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)

What are the spectator ions in this reaction?

3Pb(NO₃)_2(aq) + 2AlCl_3(aq) → 3PbCl_2(s) + 2Al(NO₃)_3(aq)

• Pb²⁺ and Cl^-

• Cl^- and Al³⁺

• Al³⁺ and NO₃^-

• NO₃^- + Pb²⁺