Which of the following acts as negative catalyst? — Surface Chemistry Chemistry Question

💡 Solution & Explanation

A negative catalyst slows down the rate of a chemical reaction. Tetraethyl lead retards knocking in engines, glycerol inhibits the rapid decomposition of hydrogen peroxide, and ethanol slows down the poisonous oxidation of chloroform to phosgene. Lindlar's catalyst is typically considered a poisoned positive catalyst for partial reduction, rather than a classical negative catalyst. Therefore, correct answer is A,B,C.