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12 Cards in this Set

  • Front
  • Back

What makes a homologous series?

Can be defined by a general formula

Similar Chemical properties

Slight change in Physical properties.

What is an Alkane?

Single bonded hydrocarbon

What is an Alkene?

A hydrocarbon that contains a double bond.

What is a Cycloalkane?

A ring shaped hydrocarbon

Combustion Reaction

All hydrocarbons burn in air producing carbon dioxide and water

Addition Reaction

Alkenes are unsaturated and so the double bond can break allowing another atom to join.

What is the test for unsaturated molecules.

testing with bromide solution which will join to the unsaturated molecules changing the solution from orange/red to colourless.

What defines alcohols?

A hydrocarbon with the hydroxyl group, -OH

named by using the alkane name + "ol"

For chains of 3 or more a number is used to indicate the position of the hydroxyl group. e.g


What are Carboxylic acids?

Hydrocarbons containing a carboxyl group,




This is always at the end of the molecule. It is written as COOH in the molecular formula. Named by finding the alkane chain and adding "oic acid to it"

How are esters formed?

Alcohol + Carboxylic acid ---> Ester + Water

This condensation reaction is a.k.a esterification.

What are some of the properties of esters?

Generally sweet smelling

Insoluble in water

Floats on water - less dense

Low melting and boiling points

How do you name an ester?

alcohol name is shortened to prefix + yl, carboxylic acid name is changed to "ate" ending.


Ethanoic acid + Butanol -----> Butyl Ethanoate