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C Cl(4) is a well known fire extinguishe...

`C Cl_(4)` is a well known fire extinguisher. However after using it to extinguish fire the room should be well ventilated. This is because:

A

It is flammable at higher temperatures

B

It is toxic

C

It produces phosgene by reaction with water vapour at higher temperatures

D

It is corrosive

Text Solution

Verified by Experts

The correct Answer is:
C
Carbon tetrachloride vapours react with steam above `500^@`C to form phosgene, a poisonous gas
`CCl_4+H_2O overset(500^@C)(rarr)underset("Phosgene")(COCl_2)+2HCl`
The dense vapour forms a protective layer on the burning objects and prevents the oxygen or air to come in contact with the burning object.
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