HARD
AS and A Level
IMPORTANT
Earn 100

Draw the displayed formulae and label the cis / trans isomers of but-2-ene.

Important Questions on Introduction to Organic Chemistry

HARD
AS and A Level
IMPORTANT
The molecule CHBrClF exhibits optical isomerism. Draw the 3D displayed formulae of both optical isomers.
HARD
AS and A Level
IMPORTANT
Which one of the following can have optical isomers? Draw the displayed formula of your chosen answer and clearly label its chiral centre.
HARD
AS and A Level
IMPORTANT

Consider the two molecules below. Compare the number of chiral centres in each molecule and clearly label any chiral centres.

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HARD
AS and A Level
IMPORTANT

Look at the structure of the cholesterol molecule. How many chiral centres are present in a cholesterol molecule?

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HARD
AS and A Level
IMPORTANT
Write an equation to show the homolytic fission of Cl-Cl in a chlorine molecule Cl2.
HARD
AS and A Level
IMPORTANT
Write an equation to show the heterolytic fission of C-Cl in a chloromethane molecule. Include a curly arrow in your answer.
MEDIUM
AS and A Level
IMPORTANT
Which one of the following species is likely to act as a nucleophile? Explain your answer.