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Consider the following experimental fact...

Consider the following experimental facts. I. When `Cl_2` gas is passed into KI solution containing `CHCl_3`, violet colour appears in `CHCl_3` layer. II. When `Cl_2` gas is passed into KBr solution containing `CHCl_3`, orange colour appears in `CHCI_3` layer. III. When Brą gas is passed into KI solution containing `CHCI_3`, violet colour appears in `CHCl_3` layer. Select the correct experimental facts.

A

I and II

B

I and III

C

II and III

D

I, II and III

Text Solution

Verified by Experts

The correct Answer is:
D
Oxidising power `:F_2 gt CI_2 gt Br_2 gt I_2`
thus `2KI +CI_2 to2KCI +I_2 "(violet in " CHCI_3)`
`CI_2 ` oxidises KI to `I_2`
thus (I ) is true
` 2KBr +CI_2 ` oxidises KBr to `Br_2 `
thus (II ) is true

` 2KI Br_2 to 2 KBr +I_2 `
thus (III) is also true
( violet in ` CHCI_3)`
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