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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) $CS_2$
Can you answer this question?
 
 

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Answer: pieces of marble
Marble ($CaCO_3$) does not react, adsorb, absord or dissolve $Br_2$. As such  there is no change in colour of $Br_2$
answered Jan 26, 2014 by mosymeow_1
edited Jan 29, 2014 by mosymeow_1
 

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