Q. 405.0( 2 Votes )

Give account of chemical properties?

(i) combustion of ethanol

(ii) oxidation of ethanol

(iii) reaction of C2H5OH with sodium metal

(iv) dehydration of C2H5OH

(v) reaction of C2H5OH with ethanoic acid

Answer :

(i) Ethanol upon combustion gives carbon dioxide and water.


C2H5OH + 3O2 2CO2 + 3H2O


(ii) Ethanol is oxidized to ethanoic acid when treated with oxidizing agents like acidified potassium dichromate



(iii) Ethanol reacts with sodium metal to liberate hydrogen gas.


2C2H5OH + 2Na 2C2H5O-Na+ + H2


(iv) Ethanol when dehydrated using conc. H2SO4 forms ethene.



(v) Ethanol (C2H5OH) reacts with ethanoic acid (CH3COOH) in the presence of acidic medium to produce ethyl ethanoate which is an ester.



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