Single and Double Replacement

Predict the products of this reaction: Al₂(SO₄)₃ + Ca₃(PO₄)₂ --->

• This reaction will not occur

• Al(PO₄) + Ca(SO₄)

• Al₂Ca₃ + (PO₄)₂(SO₄)₃

• Al₂(SO₄)₃ + Ca₃(SO₄)₃

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

In this reaction, a more active element replaces active element in the compound.

• combination reaction

• decomposition reaction

• single replacement reaction

• double replacement reaction

What type of reaction is FeS + HCl → FeCl₂ + H₂S

• synthesis

• decomposition

• single replacement

• double replacement

What type of chemical reaction is

Pb +   FeSO₄   -  PbSO₄ +    Fe

• combination

• decomposition

• single replacemect

• double replacement

What type of reaction occurs between an element and a compound?

Ex: Zn + 2HCl --> ZnCl₂ + H₂

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

What kind of reaction is this:
Fe + CuSO₄ -> Cu + FeSO₄

• Double Replacement

• Decompostion

• Single Replacement

• Combustion

Answer explanation

Reactants: a single element and a compound

Products: a new compound and a different single element

Ex: A + BC --> AC + B

Tags

NGSS.MS-PS1-5

The reaction below is an example of?
AgNO₃ + NaCl → AgCl + NaNO₃

• Single Replacement

• Double Replacement

• Decomposition

• Combustion

Answer explanation

Reactants: 2 compounds

Products: 2 new compounds

(a.k.a. ion swap)

Ex: AB + CD --> AD + CB

What kind of reaction is this:
 CaCO₃ + Ag₂SO₄ → CaSO₄ + Ag₂CO₃ 

• Decomposition

• Single Replacement

• Double Replacement

• Combustion

Answer explanation

Reactants: 2 compounds

Products: 2 new compounds

Ex: AB + CD --> AD + CB

Which type of reaction can be recognized by the general pattern?
A + BC--> AC + B

• Decomposition

• Combustion

• Single Replacement

• Double Replacement

Answer explanation

Reactants: a single element and a compound

Products: a new compound and a different single element

Which of the following general formulas represents a single-displacement reaction?

• AB → A + B   

• A + B → AB

• A + BC → AC + B

• AB + CD → AD + CB

Answer explanation

Reactants: a single element and a compound

Products: a new compound and a different single element