Types of Reactions and Predicting Products

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

Tags

NGSS.MS-PS1-2

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:
2H₂ + O₂ --> 2H₂O

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

Answer explanation

Two or more elements/ compounds combine to make a more complex substance.

Ex: A + B --> AB

Tags

NGSS.MS-PS1-2

What kind of reaction is this:
4Fe  +  3O₂ →   2Fe₂O₃ 

• Synthesis

• Decomposition

• Single Replacement 

• Double Replacement

Answer explanation

Two or more elements/ compounds combine to make a more complex substance

Ex: A + B --> AB

What are the products of this reaction?
Cu+ AgNO₃--> 

• Cu(NO₃)₂+Ag

• CuNO₃ + Ag

• CuAg+NO₃

• Cu+ AgNO₃

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Predict the products for the this reaction:
K + HCl --> 

• KCl + H2

• KHCl 

• KH + Cl2

• KCl + H

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What kind of reaction is this:
4Fe  +  3O₂ →   2Fe₂O₃ 

• Synthesis

• Decomposition

• Single Replacement 

• Double Replacement

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

What kind of reaction is this:
2H₂O₂ →2 H₂O + O₂

• Synthesis

• Decomposition

• Single Replacement 

• Combustion

Answer explanation

Compounds break down 

into simpler substances.

Ex: AB --> A + B

Tags

NGSS.MS-PS1-2

What kind of reaction is this:
2C₃H₇OH +9O₂ -> 6CO₂ + 8H₂O

• Double Replacement

• Combustion

• Single Replacement

• Decomposition

Answer explanation

Reactants: A hydrocarbon and oxygen

Products: water and carbon dioxide

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