Complete Ionic Equations

When mercury (II) nitrate and potassium iodide are combined, which of the following are spectator ions? Check all that apply.

• K⁺

• Hg⁺²

• (NO₃)^-

• I^-

• Hg⁺

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

• 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)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What are the spectator ions in the reaction of sodium chloride with silver nitrate?

• silver and nitrate

• sodium and chlorine

• sodium and nitrate

• silver and chlorine

Which term refers this chemical equation describing potassium chloride in water? KCl(s) → K+(aq) + Cl-(aq)

• dissociation

• precipitation

• displacement

• synthesis

Which of the following shows the correct net ionic equation for Fe(NO₃)₂ + KOH

• Fe³⁺ + OH^- --> Fe(OH)₃

• Fe²⁺ + OH^- --> Fe(OH)₂

• 2NO₃^- + 2K⁺ --> 2KNO₃

• Fe²⁺ + 2OH^- --> Fe(OH)₂

Which term best describes solid potassium chloride being dissolved in water, as shown in the equation below? KCl_(s) → K⁺_(aq) + Cl^-_(aq)

• dissociation

• precipitation

• displacement

• synthesis

What is the complete ionic equation for the reaction between sodium sulfate and barium chloride?

• @@ ext{Na}^+ + ext{SO}_4^{2-} + ext{Ba}^{2+} + ext{Cl}^- ightarrow ext{BaSO}_4 + ext{Na}^+ + ext{Cl}^-@@

• @@ ext{Na}_2 ext{SO}_4 + ext{BaCl}_2 ightarrow ext{BaSO}_4 + 2 ext{NaCl}@@

• @@2 ext{Na}^+ + ext{SO}_4^{2-} + ext{Ba}^{2+} + 2 ext{Cl}^- ightarrow ext{BaSO}_4 + 2 ext{Na}^+ + 2 ext{Cl}^-@@

• @@ ext{Na}_2 ext{SO}_4 + ext{BaCl}_2 ightarrow ext{Ba}^{2+} + ext{SO}_4^{2-} + 2 ext{NaCl}@@

Tags

NGSS.HS-PS1-7

Which ions are considered spectator ions in the reaction between potassium nitrate and magnesium sulfate?

What is the net ionic equation for the reaction between hydrochloric acid and sodium hydroxide?

• @@ ext{H}^+ + ext{OH}^- ightarrow ext{H}_2 ext{O}@@

• @@ ext{HCl} + ext{NaOH} ightarrow ext{NaCl} + ext{H}_2 ext{O}@@

• @@ ext{Na}^+ + ext{Cl}^- ightarrow ext{NaCl}@@

• @@ ext{H}^+ + ext{Cl}^- + ext{Na}^+ + ext{OH}^- ightarrow ext{Na}^+ + ext{Cl}^- + ext{H}_2 ext{O}@@

Which of the following represents the complete ionic equation for the reaction of calcium nitrate with sodium phosphate?

• @@3 ext{Ca}^{2+} + 2 ext{PO}_4^{3-} ightarrow ext{Ca}_3( ext{PO}_4)_2@@

• @@3 ext{Ca}^{2+} + 6 ext{NO}_3^- + 6 ext{Na}^+ + 2 ext{PO}_4^{3-} ightarrow ext{Ca}_3( ext{PO}_4)_2 + 6 ext{Na}^+ + 6 ext{NO}_3^-@@

• @@ ext{Ca(NO}_3)_2 + ext{Na}_3 ext{PO}_4 ightarrow ext{Ca}_3( ext{PO}_4)_2 + 6 ext{NaNO}_3@@

• @@ ext{Ca}^{2+} + ext{PO}_4^{3-} ightarrow ext{Ca}_3( ext{PO}_4)_2@@