Top 7 - Organic Chemistry

Question 1

What two elements do hydrocarbons contain?

Answer 1

Carbon and Hydrogen

Question 2

What is the general formula for alkanes?

Answer 2

CnH2n+2

Question 3

How many hydrogens elements are in butane?

Answer 3

10

Question 4

What two waste products form from the compelled combustion of hydrocarbons?

Answer 4

Carbon Dioxide and Water

Question 5

How is crude oil formed?

Answer 5

It is formed over millions of year from the remains of plants and animals, daily plankton, that died millions of years ago and where buried in the mud.

Question 6

Where are the shortest carbon chains found in the fractional distillation column?.

Answer 6

At the very top.

Question 7

Give three products that can be made from crude oil.

Answer 7

Butane, Petrol, Propane

Question 8

Why is cracking used?

Answer 8

Cracking is used to split up the longer less useful alkanes into smaller more useful ones.

Question 9

Give a product of cracking that is used for making plastics.

Answer 9

Alkenes for polymers (plastics)

Question 10

What is an alkene?

Answer 10

Alkenes are hydrocarbons which have a double bond between two of the carbon atoms in their chain.

Question 11

What Is the test for alkenes

Answer 11

Alkenes burn with a smokey flame.