Crude Oil And Fuels

Question 0

How many bonds does carbon always need to have?

Answer 0

4

Question 1

What is the difference between the AlkAnes and the AlkEnes ?

Answer 1

Alkanes are SATURATED hydrocarbons because the molecule only contains single bonds.

Alkenes are UNSATURATED hydrocarbons because the molecules contains double bonds. This is between to carbon atoms.

Question 2

Do Alkanes have single or double bonds?

Answer 2

SINGLE

Question 3

Do Alkenes have double or single bonds?

Answer 3

Double bonds as they are unsaturated.

Question 4

What is the most important thing when identifying hydrocarbons?

Answer 4

That they are HYDROCARBONS.

Question 5

How can you test to see if a compound is an Alkane/ an alkene?

Answer 5

Using bromine water as a test because in the presence of a double bond ( alkene)

Question 6

How can crude oil be separated?

Answer 6

Fractional distillation - the oil is evaporated and the hydrocarbon chains of different lengths condense at different temperatures.

Question 7

How many carbons are there in methane? extra : how many hydrogens?

Answer 7

1, 4

Question 8

How many carbons are there in ethane? extra : how many hydrogens?

Answer 8

2, 6

Question 9

PHow many carbons are there in propane? extra : how many hydrogens?

Answer 9

3, 8

Question 10

How many carbons are there in Butane? extra : how many hydrogens?

Answer 10

4, 10

Question 11

How many carbons are there in Pentane? extra : how many hydrogens?

Answer 11

5, 12

Question 12

How many carbons are there hexane? extra : how many hydrogens?

Answer 12

6, 14

Question 13

What is a hydrocarbon?

Answer 13

A compound containing carbon and hydrogen ONLY

Question 14

What is the general formula for an Alkane?

Answer 14

CnH(2n+2)

Question 15

What is the general formula for an alkene?

Answer 15

CnH

2n