Organic Chemistry 2024

Question 1

General Formula for Alkenes

Answer 1

CnH2n

Question 2

When the number of carbon atoms in a straight-chain alkane or alkene increases … because …

Answer 2

The melting and boiling points also increase because the number of electrons increases, which then increases the strength of the intermolecular forces holding the molecule together.

Question 3

Water molecules are…

Answer 3

Polar

Question 4

Alkenes are…

Answer 4

non-polar

Question 5

Alkenes are ____ in water because …

Answer 5

insoluble because water is polar alkenes are non-polar

Question 6

Alkanes and alkenes are usually less ____ than water, so will be found _____ when mixed with water.

Answer 6

dense
in the top layer

Question 7

Alkanes are ___ in water

Question 8

Non-polar solvents contain only …

Answer 8

carbon and hydrogen atoms

Question 9

An alkene is an …

Answer 9

unsaturated hydrocarbon containing at least one double bond between carbon atoms

Question 10

Which are more reactive: Alkanes or Alkenes?

Answer 10

Alkenes

Question 11

An isomer of a given compound has an …

Answer 11

identical molecular formula, but a different arrangement of atoms.