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04/10/2021 11:49 am
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(a) Write the chemical equation of the reaction which takes place during the burning of ethanol in air.
(b) Why is ethanol used as a fuel?
(c) State two uses of ethanol (other than as a fuel).
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04/10/2021 11:53 am
(a) C2H5OH + 3O2 + Combustion + (Burning) → 2CO2 + 3H2O + Heat + Light
(b) Since, ethanol burns with a clear flame giving a lot of heat, therefore, it is used as a fuel.
(c) Uses of ethanol:
(i) It is used in the manufacture of paints, varnishes, lacquers, medicines, perfumes, dyes, soaps and synthetic rubber.
(ii) It is used as a solvent. Many organic compounds which are insoluble in water are soluble in ethyl alcohol.