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A one litre is full of brown bromine vap...

A one litre is full of brown bromine vapours. The intensity of brown colour of vapours will not decrease appreciably on adding to the flask some

A

carbon disulphide

B

carbon tetrahloride

C

animal charcoal

D

piece of marble

Text Solution

Verified by Experts

The correct Answer is:
4
Because marble `(CaCO_(3))` has no chemical reaction with `Br_(2)`. On the other hand, `Br_(2)` is soluble in `CS_(2)` and `C Cl_(4)` while animal charcoal adsorbs bromine.
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