All Organic chemistry articles – Page 5
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News
Organic chemistry: encouraging problem solving, not goal scoring
How less really is more when it comes to learning
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Resource
Asparagus pee
A video explaining that asparagus should be cooked in butter rather than water because the molecules responsible for its flavour are water-soluble, and a worksheet about the molecules responsible for ‘asparagus pee’.
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News
Chemists weave granny and triple trefoil knots
Giant molecules with a carbon backbone by synthetic chemistry
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Experiment
The oxidation of cyclohexanol by nitric acid
Perform a ring opening oxidation using nitric acid to produce the dicarboxylic acid, 1,6-hexanedioic acid (adipic acid) – and then use the solid crystals that form to determine a melting point. Includes kit list and safety instructions.
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Experiment
Brady’s test for aldehydes and ketones
Identify aldehydes and ketones using Brady’s reagent (2,4-dinitrophenylhydrazine) in this microscale experiment. Includes kit list and safety instructions.
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Experiment
The chemical properties of phenol
Observe and interpret some of the chemical reactions of hydroxybenzene (phenol), by adding five different substances to a Petri dish, and noting down findings. Includes kit list and safety instructions.
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Experiment
Unsaturation test with potassium manganate(VII)
Use a solution of potassium manganate to test for unsaturation in organic compounds in this microscale practical. Includes kit list and safety instructions.
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Experiment
Testing for unsaturation with bromine on a microscale
Try this class experiment to prepare elemental bromine and use it to test for unsaturation in organic compounds. Includes kit list and safety instructions.
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Experiment
Synthesis of aspirin on a microscale
Use this class practical to produce aspirin in a microscale esterification reaction using phosphoric acid as a catalyst. Includes kit list and safety instructions.
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Experiment
Formation of TCP (2,4,6-trichlorohydroxybenzene)
Delve into preparing TCP by reacting hydroxybenzene (phenol) with chlorine gas, and create this distinctive smelling compound.
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Experiment
The microscale synthesis of indigo dye
Carry out a microscale organic synthesis, the result of which will leave students with indigo dye. Includes kit list and safety instructions.
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Experiment
The microscale synthesis of azo dyes
Synthesise an azo dye, and use it to change the colour of cotton, with this class experiment. Includes kit list and safety instructions.
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Experiment
Exploring the properties of the carvones
Test the smell of each enantiomer of carvone and detect the differences
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Experiment
Analysis of aspirin tablets on a microscale
Try this microscale class practical to analyse aspirin tablets and find out how much salicylic acid is present. Includes kit list and safety instructions.
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Experiment
Properties of stereoisomers
By soaking cotton wool in two limonene enantiomers, and adding a stereoisomer, students can explore the differences between each chemical and discuss how they each might react in different conditions. Includes kit list and safety instructions.
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Resource
Aspirin screen experiment
Get students aged 16–18 running their own organic synthesis on a computer or tablet before taking part in the real thing. This resource also features an in-depth practical guide and a set of worksheets covering the theory.
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Resource
Qualitative analysis quizzes
Find out more about our quizzes and watch the associated videos. The quizzes consist of 10 questions in each section and focus on providing formative feedback to students. The range of question types includes text response, numerical response, drag and drop and multiple choice. These quizzes are available free to ...
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Resource
Organic liquid quizzes
Find out more about our quizzes to support key practical skills for organic chemistry, and watch the associated videos. The quizzes consist of 10 questions in each section and focus on providing formative feedback to students. The range of question types includes text response, numerical response, drag and drop and ...
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Resource
Anecdotes: The Discovery of Buckminsterfullerene
The discovery of buckminsterfullerene, the third allotrope of carbon.