Hard exam questions 2

Question 1

why do some alkenes in addition reactions form more than on product?

Answer 1

Because alkene is unsymmetrical.

Question 2

What are the advantages and disadvantages of using biodiesel instead of diesel?

Answer 2

• Biodiesel is made from a renewable source.
• Plants required to make biodiesel take of land that could be used to grow food.
• Rainforests destroyed to grow plants on land.
• No risk of large scale pollution from from using diesel.
• Use of biodiesel is more carbon neutral, plants take up the carbon dioxide released during combustion.