Question

write about the Dichloromethane/ methylene chloride (CH2Cl2) and Chloroform / trichloromethane

(CHCl3)​

Answer 1

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Dichloromethane/ methylene

chloride :

It is a colourless volatile liquid with moderately sweet aroma. It is used as a solvent, and used as a propellant in aerosols.Over exposure to dichloromethane causes dizziness, fatigue, nausea, headaches, numbness, weakness. It is highly dangerous if it comes in direct contact with eyes as it damages cornea.

Chloroform / trichloromethane :-

It is a colourless liquid with peculiar sweet smell. It is used to prepare chlorofluromethane, a refrigerant R-22. It is used as a solvent for extraction of natural products like gums, fats, resins. It is used as a source of dichlorocarbene. Chloroform causes depression of central nervous system. Inhaling chloroform for a short time causes fatigue, dizziness and headache. Long exposure to chloroform may affect liver. Chloroform when exposed to air and light forms a poisonous compound phosgene so it is stored in dark coloured air tight bottles

Answer 2

Answer:

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