Topic 6

Question 1

What are the products of homolytic fission

Answer 1

2 free radicals

Question 2

What are the products of heterolytic fission

Answer 2

Two ions

Question 3

What condition is required for homolytic and heterolytic fission

Answer 3

UV light

Question 4

How can you convert an alkene to an alcohol, state the conditions.

Answer 4

Steam hydration. Using H3PO4, 350*C and 60atm

Question 5

How can you convert an alkene to a diol, state conditions

Answer 5

Oxidation, using acidified KMnO4

Question 6

How do you convert haloalkane to an alcohol, state conditions.

Answer 6

Hydrolysis, using KOH in water, reflux.

Question 7

How do you convert haloalkane to Alkene, state conditions.

Answer 7

Elimination, KOH in ethanol, reflux.

Question 7

How do you convert haloalkane to nitrile, state conditions.

Answer 7

Cyanidation, KCN in ethanol, reflux.

Question 8

How do you convert haloalkane to amine, state conditions. How can you identify amine qualitatively.

Answer 8

Ammonification, ethanolic ammonia, heat. Amines have a fishy smell.

Question 9

What do you need to convert alcohol to chloroalkane. And what are the side products formed.

Answer 9

PCl5. Side product is HCl and POCl3.
Or HCl, side product is H2O.

Question 10

How can you make a bromoalkane from an alcohol, state conditions.

Answer 10

Add KBr, 50% concentration H2SO4 as a catalyst at room temp.

Question 11

How can you make an iodoalkane from an alcohol, state conditions. State the side product formed.

Answer 11

React with PI3, red phosphorus and iodine as catalyst under reflux. Side product is H3PO3

Question 12

What is the name of the reaction used to convert alcohol to Alkene, state conditions and any side products.

Answer 12

Dehydration, heat with concentrated H3PO4. Side product is water.