manufacture of ethanol

Question 1

what is the first method of manufacture of enthanol called?

Answer 1

direct hydration of ethene

Question 2

what 2 catalysts can be used for the direct hydration of ethene?

Answer 2

• H2SO4
• H3PO4

Question 3

what is the word equation for direct hydration of ethene?

Answer 3

ethene + water -> ethanol

Question 4

what are the 2 advantages of direct hydration of ethene?

Answer 4

1) continuous process
2) produce is pure (no separation needed)

Question 5

what are the 3 disadvantages of direct hydration of ethene?

Answer 5

1) high energy demand (fossil fuel power stations)
2) ethene comes from cracking
3) alkanes are non-renewable