Homologous series

Question 1

What is a Homologous series?

Answer 1

A Family of Chemicals which can be Represented by a General Formula and show similar chemical propertys.

Question 2

The General Formula of the Alkanes.

Answer 2

Cn H2n +2 eg. C1 H4 , C2 H4 and C3 H6

Question 3

What is a Fuel? , What is the Burning of Fuels? And what is it Called?

Answer 3

A Fuel is a Substance that can be Burned to release Energy. Burning is the Reaction between the Substance and Oxygen, giving out energy. This Reaction is called Combustion.

Question 4

What is combustion an Example of?

Answer 4

Exothermic Reaction

Question 5

HydroCarbon is a ….

Answer 5

molecule consisting of hydrogen and carbon atoms only

Question 6

Hydrocarbon + Oxygen > ?

Answer 6

Carbon Dioxide + water

Question 7

How can the harmful chemicals from Engines using hydrocarbons be toned down?

Answer 7

catalytic converters using platinum catalysts.

Question 8

Alkanes are the simplest Homologous series. Can you name them in increasing order?

Answer 8

Methane, ethane, propane , butane, pentane, hexane, heptane, octane, nonane, dectane

Question 9

What defines an AlkANE ?

Answer 9

They must end in - ANE , they contain single c-c bonds , the general formula is Cn Hn2 +2

Question 10

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- c - c - c - straight chain
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