Mechanism: Nucleophilic Substitution A?nucleophile?is an electron-rich species that can?donate?a pair of electrons ‘Nucleophile’ means ‘nucleus/positive charge loving’ as nucleophiles are at...
Mechanism: Free Radical Substitution Chain reactions A?free radical?is a species with one (or more than one) unpaired electrons The diagram shows a free radical which has one unpaired electr...
Interpreting a Mass Spectrum Mass spectroscopy?is an analytical technique used to identify unknown compounds The molecules in the small sample are?bombarded?with high energy electrons which ...
Elimination Reactions Elimination Reaction of Alcohols Alcohols can also undergo?dehydration?to form alkenes This is an example of an elimination reaction Elimination reactions involve a sma...
Combustion of Alcohols Combustion of alcohols Alcohols react with oxygen in the air when ignited and undergo?complete combustion?to form carbon dioxide and water alcohol + oxygen → carbon di...
申請(qǐng)英本直升，一般最晚需要在當(dāng)年6-7月前提供最終雅思成績，因?yàn)槿舨荒芗皶r(shí)提供合格雅思成績，便無法換取無條件offer。比如，LSE需要學(xué)生在7.31之前遞交語言成績。 眼看著DDL越來越近，然而一些手握offer的A2同...
Oxidation of Alcohols Oxidation of alcohols Primary alcohols can be oxidised to form?aldehydes?which can undergo further oxidation to form?carboxylic?acids Secondary alcohols can be oxidised to for...
Alcohol Production Alcohols?are compounds that contain at least one?hydroxy?(-OH) group The general formula of alcohols is?CnH2n+1OH Alcohols can be prepared by a wide range of chemical reac...
Disposing of Polymers Though poly(alkenes)s are extremely important in everyday such as their use as?plastics, the disposal of these polymers is problematic Poly(alkenes) are very large alka...
