Double Displacement Reactions

Will the reaction between Cu(NO₃)₂ and K₂SO₄ happen?

• yes

• no

What are the products for a reaction between KCl and AgNO₃

• KAg + ClNO₃

• KCl + AgNO₃

• KNO₃ + AgCl

• no reaction occurs

Tags

NGSS.HS-PS1-2

What is the correct products for a reaction between NaNO₃ and CuCl₂

• NaCu + ClNO₃

• NaCl + Cu(NO₃)₂

• NaNO₃ + CuCl₂

• No reaction occurs

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Predict the products:

Mg(NO₃)₂ + CaCl₂ →

• Mg(NO₃)₂ + CaCl₂

• MgCa + Cl₂(NO₃)₂

• Ca(NO₃)₂ + MgCl₂

• CaNO₃ + MgCl

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which among the following is(are) double displacement reaction(s)? (i) Pb + CuCl₂ --> PbCl₂ + Cu (ii) Na₂SO₄ + BaCl₂ --> BaSO₄ + 2NaCl (iii) C + O₂ --> CO₂ (iv) CH₄ + 2O₂ --> CO₂ + 2H₂O

• (a) (i) and (iv)

• (b) (ii) only

• (c) (i) and (ii)

• (d) (iii) and (iv)

In the following reaction, what sign is there that a precipitation reaction took place?
AgNO₃ (aq) + NaOH (aq) → AgOH (s) + NaNO₃ (aq)

• The formation of a nitrate

• The (aq), meaning aqueous or dissolved in water

• The (s), meaning the formation of a solid

• The base (OH) reactant 

Predict the products:

NaOH + Fe(NO₃)₃ →

• NaFe(s) + OH(NO₃)₃(aq)

• NaNO₃(s) + Fe(OH)₃(s)

• No reaction

• NaNO₃(aq) + Fe(OH)₃(s)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Complete the following reaction: HCl + Mg(OH)₂ -->

• MgCl₂ + H₂O

• Mg +H₂O

• MgCl₂ + H₂

• MgCl₂ + H₂O + CO₂

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Identify which unbalanced chemical equation below is a double displacement reaction.

• Ca(NO₃)₂(aq) + NaOH(aq) -> Ca(OH)₂(s) + NaNO₃(aq)

• K(s) + H₂O(l) -> KOH(aq) + H₂

• H₂O(l) -> H₂(g) + O₂(g)

• NaHCO₃(s) -> NaO(s) + CO₂(g)

Which of the following reactions is a double displacement reaction?

• @@ ext{Na}_2 ext{CO}_3 + ext{CaCl}_2 ightarrow ext{CaCO}_3 + 2 ext{NaCl}@@

• @@ ext{H}_2 + ext{O}_2 ightarrow ext{H}_2 ext{O}@@

• @@ ext{Fe} + ext{CuSO}_4 ightarrow ext{FeSO}_4 + ext{Cu}@@

• @@ ext{C} + ext{O}_2 ightarrow ext{CO}_2@@