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How is hydrogen peroxide prepared indust...

How is hydrogen peroxide prepared industrially ? Explain why it is stored in coloured wax-lined glass or plastic bottles ?

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Industrially, `H_(2)O_(2)` is perpared by the auto oxidation of 2-ethylanthraquionol to 2-ethylanthraquinone. `H_(2)O_(2)` is stored in wax-lined glass or plastic bottles so that it does not decompose into `H_(2)OandO_(2).`
Because it is decomposed to `H_(2)OandO_(2)` when comes in contact with sunlight.
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