Name: Nomenclature of Haloalkanes and Haloarenes
Uploaded: 2019-07-19
Duration: 9 min 1 s
Description: Haloalkanes are formed by replacing a hydrogen atom in an alkane with a halogen atom. Haloarenes are derived by replacing the hydrogen atom attached to the b...

Question

Give a brief account of the different commercial forms of ethanol.

Accepted Answer

The different commercial forms of ethanol are:

Rectified spirit: Rectified spirit is the commercial form of ethanol obtained by the fractional distillation of wash obtained during the manufacture of ethyl alcohol by fermentation. It is usually referred to as industrial alcohol. It contains about 95.57% ethyl alcohol rest is water.

Absolute alcohol: It is 100% pure ethanol obtained by azeotropic distillation of rectified spirit using benzene.

Methylated spirit or denatured alcohol: Alcoholic beverages contain ethyl alcohol. Industrial alcohol is usually made poisonous by the addition of poisonous substances like methyl alcohol, pyridine and some colouring matter. Such a sample of alcohol is called methylated spirit or denatured alcohol. It is poisonous and unfit for drinking.

Power alcohol: The alcohol used for the generation of power is called power alcohol (a mixture of petrol and alcohol in the ratio of $4 : 1$ and little benzene). It can be used as a substitute for petrol and can meet the everyday increasing demand of gasoline all over the world.

Give a brief account of the different commercial forms of ethanol.

Important Questions on Carbon and Its Compounds

Learn and Prepare for any exam you want !