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Which of the following acts as a positive catalyst?
Option: 1
Tetraethyl lead in petrol for antiknocking effect.
Option: 2
Phosphoric acid in the decomposition of .
Option: 3
in Decomposition of
Option: 4
Acetanilide in decomposition of
Answers (1)
Manganese dioxide is used in the decomposition of hydrogen peroxide acts as positive catalyst. Rest of them are negative catalysts.
Hence option 3 is correct.
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