1.

A one litre flask is full of brown bromine vapour.The intensityof brown colour of vapour will not decreases appreciably on adding to the flask some

Answer»

pieces of marble
animalcharcoal powder
carbon tetrachloride
carbon disulphide

Solution :Bromine is soluble in `C Cl_(4)` and `CS_(2)`. Animal charocalalso adsorbs on bromine water. But marble has no action with `Br_(2)`. So after ADDING marble piece to the flask, there will be no change in the intensity of brown colour.


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