A one litre flask is full of reddish brown bromine fumes.The intensity of brown colour of vapour will not decrease appreciably on adding to the flask some:
A. pieces of marble
B. animal charcoal powder
C. carbon tetrachloride
D. carbonisulphide

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1 Answers

Correct Answer - A
Marble `(CaCO_(3))` do not react, adsorb, absorb, or dissolve `Br_(2)`.As such there is no change is colour of `Br_(2)`. Remaining dissolves or absorb or adsorb bromine.

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