Chemical Properties

Chemistry

Fats and Oils As Higher Esters

Sources, properties and uses detergents and soaps Structure, their mode and action. Fats and oils belong to a general group of compounds known as lipids. SOURCES Fats are solids that usually come from animals e.g. Tallow (mutton fat).  Oils are liquids that come from plants e.g. vegetable oil, coconut oil etc.  Both fat and oil […]

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Chemistry

ALKANOIC ACIDS

ALKANOATES General molecular formula, nomenclature,  preparation,  properties and uses.   SOURCES The alkanoic acid or carboxylic acids are also called fatty acids because some of them are found in natural fats and oils.  They contain the functional group called carboxy group.   NOMENCLATURE The IUPAC name of each homologue is obtained by changing the “-e”

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Chemistry

AROMATIC HYDROCARBONS

Benzene: Benzene is a typical aromatic compound with molecular formula of C6H6.  It has the structure of: Preparation From coal tar: The destructive distillation of coal produced coal tar which contain      benzene From petreoleum; The dehydrogenated of alkane using valladim (v) oxide (v2O5) as     catalyst at 500oC and 20 atmos give benzene C6H14     V2O2C6H6  + 

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Chemistry

ALKYNES

Alkynes are the  homologous series of unsaturated hydrocarbon  with a general molecular formua CnH2n-2. Alkynes show a high degree of unsaturation than alkenes, hence,t hey are chemically more reactive than the corresponding alkenes or alkanes. Examples are : H H – C = C – H                           HC  – C =  C- H [ Ethyne.                                              

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