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Question

H2O2 turns acidified solution of the following to orange red

A
TiO2
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B
BaO2
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C
PbO2
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D
Na2O2
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Solution

The correct option is A TiO2
TiO2+2H2SO4Ti(SO4)2+2H2O
H2O2+Ti(SO4)2.2H2OH2TiO4+2H2SO4 Orange red

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