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A one litre flask is full of 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) $CCl_4$
(d) $CS_2$

1 Answer

Marble $(CaCO_3)$ does not react, adsorb, adsorb or dissolve $Br_2$. So the intensity of brown colour of $Br_2$ will not decrease. Other compounds will decrease the intensity of brown colour of $Br_2$
answered Jan 26, 2014 by mosymeow_1
edited Mar 25 by sharmaaparna1
 

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