Why added Ethil alchohole in Cloroform?Why added Ethil alchohile in cloroform
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This is because to purify cloroform
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chloroform is an unstable and is combined with variety of stabilizers to enhance their product life.Sigma-ethanol and amylene stabilized chloroform.and this is used to prevent it from turning into a dangerous gas known as phosgene.
the equation is
Chloroform oxidises in presence of air and forms poisonous phosgene(COCl₂).
CHCl₃ + 1/2 O₂———>COCl₂ + HCl.
To prevent the formation of phosgene, ethanol is used.
COCl₂+ C₂H₅OH————> (C₂H₅)₂CO₃+ HCl
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