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Chemical Reactivity (Group 1)

When CS2 la...

Question

When $C S_{2}$ layer containing both $B r_{2}$ and $I_{2}$ is shaken with excess of $C l_{2}$ water, the violet color due to $I_{2}$ disappears and a pale yellow color appears in the solution. The disappearance of violet color and appearance of pale yellow color is due to the formation of :

A

I_{3}^{-}

and

B r_{2}

respectively

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B

H I O_{3}

and

B r C l

respectively

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C

I C l

and

B r C l

respectively

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D

I^{-}

and

B r^{-}

respectively

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Solution

The correct option is B $H I O_{3}$ and $B r C l$ respectively

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Similar questions

C S_{2}

layer containing both

B r_{2}

l_{2}

is shaken with excess of

C l_{2}

water, the violet colour due to

l_{2}

disappears and orange colour due to

B r_{2}

appears. The disappearance of violet colour is due to the formation of :

C S_{2}

layer containing Bromine and Iodine is shaken with excess of chlorine water, the violet colour due to iodine disappears and orange colour of bromine appears. The disappearance of violet colour is due to the formation of

C l_{2}

water is added to an aqueous solution of potassium halide in the presence of chloroform, a violet color is obtained. On adding more of

C l_{2}

water, the violet color disappears and a colorless solution is obtained. This test confirms the presence of the following in aqueous solution :

Q. Assertion :In organic layer test,

C l_{2}

water is added to the sodium extract, which oxidises

B r^{⊝}

I^{⊝}

B r^{⊝}

I_{2}

respectively Reason: Reduction potential of

C l_{2}

is greater than that of

B r_{2}

I_{2}

Q. Assertion :In organic layer test ,

C l_{2}

water is added to the sodium extract which oxidizes

B r^{θ}

I^{θ}

B r_{2}

I_{2}

respectively. Reason: Reduction potential of

C l_{2}

is greater than that of

B r_{2}

I_{2}

.

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