The P Block Elements Ques 77

77. 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:

  1. (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.