Alcohols

The functional group exist in alcohol is

• Carboalkoxy

• Halogen

• Hydroxyl

• carbonyl

The IUPAC name for this compund is

• 1-butanol

• 2-butanol

• 2-methyl-2-propanol

• 2-propanol

Which term describes the formation of ethanol from glucose(sugar)?

• cracking

• distillation

• fermentation

• polymerisation

Ethanol is formed by :

1. Fermentation ;

2. reaction between steam and ethene.

Which of these processes uses a catalyst?

• Both 1 and 2

• Only 1

• Only 2

• none of the above

An organic compound has the molecular structure shown.

Which type of organic compound is this?

• alcohol

• alkane

• alkene

• carboxylic acid

Ethanol is manufactured from petroleum by reacting ethene with steam.

Which statements about this process are correct?

• Ethene is obtained from the cracking of alkanes.

• The process is carried out in the presence of yeast.

• The reaction is an addition reaction.

• The rate of reaction is increased by a catalyst.

Ethene reacts with Y to produce ethanol.

ethene + Y → ethanol

What is Y?

• hydrogen

• oxygen

• steam

• yeast

Ethanol is made by fermentation.

How is ethanol obtained from the fermentation mixture?

• chromatography

• crystallization

• electrolysis

• fractional distillation

Which process is not used during the production of ethanol?

• addition of steam to ethene

• fermentation

• fractional distillation

• reacting ethane with oxygen

When glucose is fermented, ethanol is formed together with....

• carbon dioxide.

• ethene

• methane

• oxygen