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What is phosgene? How can phosgene …

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What is phosgene? How can phosgene be removed?

Posted by Aishwarya Nath 6 years, 6 months ago

CBSE > Class 12 > Chemistry

3 answers

Biswajeet Pillai 6 years, 6 months ago

Chloroform gets oxidised in the prescene of sunlight and form phosgene i.e. COCl2 Which Is Dangerous thats why they used stored in ambered bottle to prevent oxidation. So as to prevent formation of phosgene we use ethanol(C2H5OH) to produce Diethyl Carbonate. Formation Of Phosgene: ChCl3 + O2-----> (air) COCL2 + HCL Prevention: Phosgene + 2C2H5OH------>Diethyl Carbonate{ (C2H5)CO3 + H20 +2HCL

Nasima Khan 6 years, 6 months ago

Urs most welcome yrr

Nasima Khan 6 years, 6 months ago

Chloroform in prescence of light oxidized and form poisonous gas Phosgene it can be remove by adding of ethanol so that diethyl carbonate forms which protect further oxidation if chloroform

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