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Sulphuric Acid

Each of these...

Question

Each of these solutions is added to a mixture of aqueous solutions of iodide and chloroform $(C H C l_{3})$ separately. Which will give a positive test for iodine when the solutions are vigorously mixed?

A

N a C l

solution

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B

N a B r

solution

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C

chlorine water

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D

bromine water

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Solution

The correct options are
A bromine water
D chlorine water
Option (C),(D) are correct.Chlorine water and bromine water will give a positive test for iodine . $2 I^{-} + C l_{2} ⟶ I_{2} (p u r p l e v i o l e t)$
$2 I^{-} + B r_{2} ⟶ I_{2} (p u r p l e v i o l e t)$

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