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Introduction to Oxidation and Reduction

Both iodometr...

Question

Both iodometric and iodimetric titrations are carried out in:

A

Basic medium

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B

Acidic medium

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C

Both acidic and basic medium

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D

Neutral medium

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Solution

The correct option is B Acidic medium
Both iodometric and iodimetric titrations are carried out in acidic medium only as in basic medium, $I_{2}$ undergoes disproportionation reaction.
$I_{2} (g) + O H^{-} (a q) \to I^{-} (a q) + I O_{3}^{-} (a q)$

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Introduction to Oxidation and Reduction

Standard XII Chemistry

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