Classifying reactions

The reaction XY ⟶ X + Y is an example of _____.

• synthesis

• decomposition

• single replacement

• double replacement

The reaction A + B ⟶ AB is classified as a _____ reaction.

• synthesis

• decomposition

• single replacment

• double replacement

The reaction AB + X ⟶ XB + A is classified as a _____ reaction.

• synthesis

• decomposition

• single replacement

• double replacement

The reaction AB + XY ⟶ XB + AY is an example of ______.

• synthesis

• decomposition

• single replacement

• double replacement

What class of reaction best describes the equation below?

2HI ⟶ H₂ + I₂

• synthesis

• decomposition

• single replacement

• double replacement

What class of reaction best describes the equation below?

Zn + H₂S ⟶ ZnS + H₂

• synthesis

• combustion

• single replacement

• double replacement

What class of reaction best describes the equation below?

FeS + HCl ⟶ H₂S + FeCl₂

• synthesis

• combustion

• single replacement

• double replacement

What class of reaction best describes the reaction

Mg + HCl ⟶ MgCl₂ + H₂

• combustion

• synthesis

• decomposition

• single replacement

The chemical equation

Cl₂ + 2 KBr ⟶ 2 KCl + Br₂

_{is best described as a _______ reaction.}

• synthesis

• decomposition

• single replacement

• double replacement

What class of reaction best describes the equation below?

MgCO₃ ⟶ MgO + CO₂

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

• Combustion