Module 4 - Chapter 15 + 16 key terms

Question 1

Organohalogen compounds

Answer 1

Molecules that contain at least one halogen atom joined to a carbon chain, used in many pesticides. They’re rarely found in nature and as they aren’t broken down naturally in the environment they are concerning.

Question 2

The Ozone layer

Answer 2

Found at the edge of the stratosphere, at a height that varies from about 10-40km above the earths surface.

Question 3

Reflux

Answer 3

A method used to prepare an organic liquid without boiling off the solvent, reactants or products.

Question 4

Distillation

Answer 4

A common method used to separate a pure liquid from its impurities usually based on their differing boiling points.

Question 5

Organic synthesis

Answer 5

The preparation of complex molecules from simple starting materials.

Question 6

Target molecule

Answer 6

Is used to describe the compound that the chemist is attempting to prepare by organic synthesis.