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Organic Synthesis for A-level

Create an educational illustration featuring a chemistry lab with organic compounds, reaction mechanisms, and laboratory glassware focused on organic synthesis.

Mastering Organic Synthesis: A-Level Quiz

Test your knowledge of organic synthesis with this comprehensive quiz designed specifically for A-level students. Covering key concepts, reaction mechanisms, and important reagents, this quiz will challenge your understanding and help reinforce your learning.

What you'll find:

20 engaging multiple-choice questions
Aspects of organic chemistry from alkene reactions to oxidation processes
Instant feedback on your answers

20 Questions5 MinutesCreated by SynthesizingChemist42

What type of reaction mechanism is Halogenation of an Alkene?

Nucleophilic Substitution

Nucleophilic Addition

Electrophilic Substitution

Electrophilic Addition

What is the catalyst for Hydrogenation?

H₂

H₂SO₄

H₃PO₄

What do you form when reacting NaCN with aldehydes?

Acid

Nitrile

Hydroxynitrile

Amine

And what is the associated reaction mechanism?

Nucleophilic Substitution

Nucleophilic Addition

Electrophilic Substitution

Electrophilic Addition

The synthesis step to turn an alcohol into an alkene is called...

Hydration

Dehydration

Halogenation

Hydrogenation

Which would you use to reduce an acid?

NaBH₄ / water

NaBH₄ / dry ether

LiAlH₄ / water

LiAlH₄ / dry ether

Fehlings tests postive with Aldehydes to show what result?

Turns colourless

Silver mirror

Red/orange precipitate

Trick question! Fehlings doesn't work on aldehydes!

2,4-DNPH tests postive with Ketones to show what result?

Turns colourless

Silver mirror

Yellow/orange precipitate

Trick question! 2,4-DNPH doesn't work on Ketones!

What would be formed by addition of Br₂ to methylpropene?

2-methyl-1,2-dibromopropene

1,2-dibromo-2-methylpropane

2-methyl-2-dibromopropane

2,2-dibromomethylpropane

What would be formed by reacting 2-methylbutan-1-ol with acidified K₂Cr₂O₇ under distillation?

2-methylbutanal

2-methylbutanone

2-methylbutanoic acid

3-methylbutanal

What reagents and conditions are needed to turn a haloalkane into a nitrile?

NaCN/dry ether/reflux

NaCN/ethanol/distillation

NaCN/dry ether/reflux

NaCN/ethanol/reflux

Hydration of (Z)-but-2-ene produces...

Butan-1-ol

Butan-2-ol

Butane-1,2-diol

(Z)-butene cannot be hydrated!

The major product of reacting HBr with propene is...

1-bromopropane

2-bromopropane

2-bromo-2-methylethane

This reaction does not have major/minor products

Oxidation of propanone produces

Propanoic acid

Methylethanoic acid

Propan-2-ol

Trick question! Propanone cannot be oxidised!

What condition is needed to prevent further substitution in Free Radical Substitution?

Excess Cl₂

Excess UV light

Excess Alkane

High Pressure

The reaction to turn a haloalkane into an alkene is an example of...

Oxidation

Reduction

Addition

Elimination

Shaking but-1-ene with cold dilute KMnO₄ results in what product?

Butan-1,2-diol

Butan-2,3-diol

CO₂ / H₂O / propanoic acid

CO₂ / H₂O / propanal

Reflux is selected when oxidising a primary alcohol to acid because...

Remove intermediates from the flask to ensure reaction is completed

To remove intermediates to prevent them oxidising further.

Return intermediates to the flask to ensure the reaction is completed

Trick question! Primary alcohols don't product acids!

The esterification product of ethanoic acid and methanol is...

Ethyl ethanoate

Methyl ethanoate

Ethyl methanoate

Methyl methanoate

If propan-2-ol underwent IR spectroscopy, which of these are you most likely to see?

A sharp peak at 1700

A large broad peak 1500-2500

A sharp peak at 3200

A large broad peak 2800-3400

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