Q.1 Which of the following does not speed up decomposition of H2O2?
1)
Sunlight
2)
Fe
3)
Urea
4)
MnO2
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Answer:
Substances like Urea, Sodium Stannate, Acetanilide or Sodium Pyrophosphate act as negative catalysts in the decomposition of hydrogen peroxide.
On the other hand, substances like Silica, Manganese Dioxide, Iron, Manganese or Alumina cause rapid decomposition.
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