Organic Synthesis for A-level
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
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
Ni
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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