Analytical ChemistryHard
Question
When CS2 layer containing both Br2 and I2 (2 : 1) is shaken with excess of chlorine (Cl2) water, the violet colour due to I2 disappears and a pale yellow colour appears in the solution. The disappearance of violet colour and appearance of pale yellow colour is due to the formation of :
Options
A.I3- and Br2 respectively.
B.HIO3 and BrCl respectively.
C.ICl and BrCl respectively.
D.I- and Br- respectively.
Solution
5Cl2 + I2 + 6H2O → 2HIO3 (colourless) + 10HCl
Br2 + Cl2 ⇋ 2BrCl (pale yellow)
Br2 + Cl2 ⇋ 2BrCl (pale yellow)
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