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  • An indicator ' X ' is used for studying the effect of variation in concentration of iodide : on the rate of reaction of iodide ion with <img alt="\mathrm{H_{2}O_{2}}" src="https://entrancec

An indicator ' X ' is used for studying the effect of variation in concentration of iodide : on the rate of reaction of iodide ion with \mathrm{H_{2}O_{2}} at room temp. The indicator ' X ' forms blue colored complex with compound ' A ' present in the solution. The indicator ' X ' and compound 'A' respectively are

Option: 1

Methyl orange and \mathrm{H}_2 \mathrm{O}_2


Option: 2

Starch and iodine


Option: 3

Starch and \mathrm{H}_2 \mathrm{O}_2


Option: 4

Methyl orange and iodine


Answers (1)

best_answer

\mathrm{I}^{-}+\mathrm{H}_2 \mathrm{O}_2 \longrightarrow \underset{\text { (A) }}{\mathrm{I}_2}+\mathrm{H}_2 \mathrm{O}

\mathrm{I}_2+\underset{\text { (Indicator) }}{\text { Starch }} \longrightarrow \text { Blue }

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manish

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