Share Organic Chemistry
Save to Folder
Formula of Alkenes
CnH2n
How many carbon atoms are there in Ethane.
2
The molecular formula of Butane
C4H10
What is a hydrocarbon?
A hydrocarbon is a compound that contains only hydrogen and carbon.
Name the alkane you see in the picture.
Pentane
THIS ALKANE FORMS A MAJOR PART OF NATURAL GAS. Choose the correct answer from the bracket (butane, methane, propane)
Methane
An organic compound has 3 different formulae. What are they?
Empirical, Molecular and Structural formulae.
This represents the actual number of atoms in a molecule.
Molecular formula
This shows the simplest possible whole number ratio of the atoms in a compound.
Empirical formula
This shows all the atoms in the molecule and how they are bonded.
Structural formula.
Alkanes/Alkenes make good fuels.
Alkanes
The alkanes are unsaturated hydrocarbons. TRUE/FALSE
0
Alkanes are chemically ___________ but they burn well.
UNREACTIVE
The alkenes are ______________ hydrocarbons.
unsaturated.
Name the functional group of alkenes.
It is the carbon carbon double bond.
What is an addition reaction?
A reaction in which a double bond breaks and adds two new atoms is known as an addition reaction.
