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Question

Decomposition of hydrogen peroxide is retarded in the presence of:

A
alcohol
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B
glycerine
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C
manganese dioxide
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D
molybdenum
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Solution

The correct options are
A alcohol
B glycerine
The decomposition of hydrogen peroxide is retarded in the presence of glycerine and alcohol. To prevent decomposition, hydrogen peroxide is stored in paraffin wax-coated plastic or teflon bottles. A small amount of acid, glycerol, alcohol, acetamide and phosphoric acid are often used as stabilizers to check the decomposition.

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