Alkenes

Question 1

What are alkenes?

Answer 1

A family of hydrocarbons containing at least one C-C double bond

Question 2

What is the functional group of alkenes?

Answer 2

C=C

Question 3

What is the general molecular formula?

Answer 3

CnH2n

Question 4

Are alkenes saturated or unsaturated?

Answer 4

They are unsaturated

Question 5

What is ethene used for?

Answer 5

The production of the plastic polyethylene

It is also used to ripen fruit, cause seeds to sprout, flowers to bloom and leaves to shrivel

Question 6

Which are more reactive, single or double bonds?

Answer 6

Double bonds

Question 7

What represents a double bond in the skeletal structure?

Answer 7

A double line

Question 8

What makes up the C-C double bond?

Answer 8

It is made from 1x sigma and 1x pi bond

Question 9

What is special about the groups attached to the 2C atoms of a double bond?
(2)

Answer 9

The 4 groups attached to the 2 C atoms all lie in the same plane

The positions for the 4 groups bonded to the 2x C are fixed