Ethanol

What is ethanol used for?

• Medicine

• As a solvent

• As a pesticide

• To make polymers

Ethanol doesn't burn very easily.

• True

• False

What is the molecular formula for ethanol?

• CH₂CH₂OH

• CH₃OH

• CH₃CH₂OH

• CH₂CH₂OH₂

What conditions are needed for the addition of steam to ethene?

• Low temperature, low pressure and a catalyst

• High temperature, low pressure and a catalyst

• Low temperature, high pressure and a catalyst

• High temperature, high pressure and a catalyst

What is the equation for the formation of ethanol by adding steam to ethene?

• C₂H₆ + H₂O --> C₂H₆OH

• C₂H₄ + H₂O --> C₂H₆OH

• C₂H₄ + H₂O --> C₂H₅OH

• C₂H₆ + H₂O --> C₂H₅OH

What conditions are needed for the fermentation process to make ethanol?

• High pressure

• Metal catalyst

• Yeast catalyst

• High temperature

What is the equation for the production of ethanol via the fermentation process?

• C₂H₄ + H₂O -> C₂H₅OH

• C₆H₁₂O₆ -> 2C₂H₅OH + 2CO₂

• C₆H₁₂O₆ -> C₂H₅OH + 2CO₂

• C₆H₁₂O₆ -> 2C₂H₅OH + CO₂

Which process uses renewable raw materials?

• Fermentation

• Catalytic addition using steam

Which process is continuous?

• Fermentation

• Catalytic addition using steam

Which process is faster?

• Fermentation

• Catalytic addition using steam