6. Alcohols

Question 1

Classification of alcohols?

Answer 1

Primary (two Hs attached to bonded C)
Secondary (one H attached to bonded C)
Tertiary (no Hs attached to bonded C)

Question 2

Industrial production of ethanol?

Answer 2

Fermentation of sugars
~ or ~
Catalytic hydration of ethene

Question 3

Define “fermentation”.

Answer 3

Anaerobic respiration of sugars to produce ethanol and carbon dioxide.

Question 4

Fermentation of sugars to form ethanol?

Answer 4

Sugar is fermented by yeast in anaerobic conditions. Enzyme converts reactants to products. Reaction chamber must be warm.

Question 5

Hydration of ethene to produce ethanol?

Answer 5

Using steam in the presence of concentrated phosphoric acid, a catalyst