How to prepare a halogenoalkane
There are number of ways to make a halogenoalkane, each of which has its own advantages and disadvantages. Halogenation of
The ultimate A level chemistry resource
There are number of ways to make a halogenoalkane, each of which has its own advantages and disadvantages. Halogenation of
Your may have noticed on the data sheet that the wavenumber for the absorption of C=O bonds very much depends
Continue readingExplaining C=O absorption bands in IR spectroscopy
13C NMR signals are considerably weaker than 1H NMR signals because the natural abundance of 13C is 1.1%. We also
Continue readingEverything you need to know about C-13 NMR spectroscopy
In proton or 1H NMR spectroscopy the sample is dissolved in a solvent such as tetrachloromethane, CCl4, or trichlorodeuteriomethane, CDCl3
Continue readingEverything you need to know about proton (H-1) NMR Spectroscopy
We are familiar with the idea that electrons possess an intrinsic quantum property known as spin (we met this when
Continue readingUnderstanding nuclear magnetic resonance spectroscopy
If we dehydrate an alcohol, we are essentially removing a water molecule and the product will be an alkene. The
Continue readingElimination reactions – dehydrating an alcohol
The reaction of an alkene with water to from an alcohol is an example of a hydration reaction. The alkene
Continue readingElectrophilic addition in alkenes (3) – reaction with water to form an alcohol
The classic test for an alkene is to shake your sample with orange bromine water, and if the molecule contains
Continue readingElectrophilic addition in alkenes (2) – the bromine water test
The mechanism for addition polymerisation is another example of a radical reaction. Teflon (PTFE), famously known for its non-stick properties,
Continue readingMaking addition polymers by radical polymerisation
Polymers are long chain molecules made via addition polymerisation or condensation polymerisation – the result are all the plastics, fibres