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How Do Metals and Non-Metals React?

Hydrogen pero...

Question

Hydrogen peroxide is stored in dark bottles to prevent it from _________.

A

electrolysis

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B

freezing

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C

thermolysis

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D

photolysis

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Solution

The correct option is D photolysis

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Similar questions

Why is Hydrogen peroxide stored in coloured bottles?

Medicines and chemicals are stored in dark colored bottles to prevent their:

Q. An old bottle of store-brand hydrogen peroxide needs to be analyzed using a redox titration to determine the amount of hydrogen peroxide remaining.
Select the best reagent with correct justification for this task.

C H C l_{3}

is stored in brown-coloured stoppered bottles filled up to the neck to prevent it from getting:

Q. Thermodynamically, hydrogen peroxide is unstable as shown by the following equation:

H_{2} O_{2 (l)} \to H_{2} O_{(l)} + \frac{1}{2} O_{2 (g)}

Δ_{r} G^{o} = - 122.6 k J / m o l

As the reaction from left to right is accompanied by a decrease in free energy, it is a spontaneous process. However, its decomposition at

25^{o} C

in the absence of catalysts is slow. The catalysts which accelerate decomposition are Pt, Ag, cobalt, iron, copper, manganese dioxide and light. Concentrated

H_{2} O_{2}

solution can result into uncontrolled decompositions leading to explosion.

H_{2} O_{2}

thus stored in colored wax-lined bottles (as rough glass surfaces) also causes its decomposition. A few stabilizers such as acids acetanilide, pyrophosphates, and stannates are added to slow down the decomposition of

H_{2} O_{2}

H_{2} O_{2}

is stored in colored wax-lined bottles because:

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How Do Metals and Non-Metals React?

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