Classifying the first 4 types of 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

• decomposition

• single replacement

• double replacement

What class of reaction best describes the equation below: FeS + HCl --> H₂S + FeCl₂

• synthesis

• decomposition

• single replacement

• double replacement

Mg + HCl --> MgCl₂ + H₂

• double displacement

• synthesis

• decomposition

• single replacement

Cl₂ + KBr --> KCl + Br₂

• synthesis
• decomposition
• single replacement
• double replacement

Tags

NGSS.MS-PS1-5

What class of reaction best describes the equation below:

2HgClO₃ ----> 2HgO + Cl₂

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement