The P Block Elements - Result Question 76
####79. A one litre flask is full of brown bromine vapour. The intensity of brown colour of vapour will not decrease appreciably on adding to the flask some
[1998]
(a) pieces of marble
(b) animal charcoal powder
(c) carbon tetrachloride
(d) carbon disulphide
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Solution:
- (a) Brown bromine vapour will not react with
(a) Pieces of marble $(CaCO_3)$.
(b) Animal charcoal powder can adsorb it.
(c) In carbon tetrachloride solution it will dissolve.
(d) In carbon disulphide solution, bromine will dissolve and thus, intensity of brown colour will decrease.
