ICSE Class 9 Answered
What are the examples of negative catalyst..... ?
Asked by sridhar Meka | 03 Sep, 2014, 07:40: AM
Expert Answer
Negative catalysis (Inhibitor or retarder): Chemical reactions are sometimes retarded by the presence of a foreign substance this substance is known as a negative catalyst.
Examples:
Phosphoric acid serves as negative catalyst for the decomposition of H2O2.
Alcohol act as negative catalyst for the oxidation of Na2SO3.
T.E.L (Tetra Ethyl Lead) an ant knocking substance is added to petrol to decrease the ignition of petrol vapours.
Answered by Arvind Diwale | 03 Sep, 2014, 10:19: AM
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