Alcohols and its reactions

Select all of these following that are methods to make ethanol.

• Dehydration of ethene

• Addition of water to ethene

• Fermentation of sugars with yeast

• Distillation of sugars

Name this compound...

• methane

• methene

• methanol

• methoxymethane

Pick the correct list of catalysts used in production of ethanol by hydration of ethene

• Room Temperature

  Room Pressure = 1 atm

  Alumina

• Room Temperature

  35 atm

  Phosphoric acid

What is the molecular formula of propanol?

• C₃H₈O

• C₃H₇O

• C₂H₆O

• C₄H₁₀O

Which is the correct functional group in alcohols?

• C=C

• OH

• COOH

• They don't have a functional group

Ethanol is produced by fermentation.

which of the following conditions is not required to produce ethanol by fermentation?

• Yeast

• Presence of Oxygen

• Sugar or starch dissolved in water

What are the products of complete combustion?

• SO₂ + H₂O

• H₂O

• CO

• CO + H₂O

• CO₂ + H₂O

Ethanol is made by reacting ethene with steam.

Ethanol is also made by the fermentation of sugar obtained from plants.

Which statement is correct?

• Fermentation is a faster process than reacting ethene and steam.

• Fermentation produces ethanol from a renewable source.

• Reacting ethene with steam produces impure ethanol.

• Reacting ethene with steam uses very little energy.

• addition
• polymerization
• esterification
• fermentation

• fermentation
• addition
• polymerization
• combustion