What does hydrogen peroxide liberate from potassium iodide?

Nitrogen

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potassium

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Iodine

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Hydrogen

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Solution

The correct option is C Iodine
When 2 moles of potassium iodide are reacted with 1 mole of hydrogen peroxide, 2 moles of potassium hydroxide and one mole of iodine is liberated. That means gydrogen peroxide liberates iodine from acidified potassium iodide.

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Similar questions

A foamy substance is formed by the rapid decomposition of hydrogen peroxide when hydrogen peroxide is mixed with soap solution and catalyst potassium iodide is added. What is this experiment called?

When hydrogen peroxide is mixed with liquid soap and catalyst potassium iodide is added, a foamy substance is formed by the rapid decomposition of hydrogen peroxide. Name the experiment.

N O_{2}

liberates _________ from potassium iodide solution.

Q. In a reaction of acidified hydrogen peroxide with potassium iodide, the concentration of iodine formed rises from

0

10^{- 5}

m o l

{d m}^{- 3}

10

seconds. What is the rate of reaction?

Q. Give balanced equations for the following reactions:
(i) Potassium permanganate is heated with concentrated hydrochloric acid.
(ii) Lead sulphide is heated with hydrogen peroxide.
(iii) Ozone is treated with potassium iodide solution.

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What does hydrogen peroxide liberate from potassium iodide?

The correct option is C IodineWhen 2 moles of potassium iodide are reacted with 1 mole of hydrogen peroxide, 2 moles of potassium hydroxide and one mole of iodine is liberated. That means gydrogen peroxide liberates iodine from acidified potassium iodide.

The correct option is C Iodine
When 2 moles of potassium iodide are reacted with 1 mole of hydrogen peroxide, 2 moles of potassium hydroxide and one mole of iodine is liberated. That means gydrogen peroxide liberates iodine from acidified potassium iodide.