Two percent of ethanol is added during the oxidation of chloroform to stop the formation of carbonyl chloride In this reaction ethanol acts as

Options

A. Auto catalyst
B. Negative catalyst
C. Positive catalyst
D. None of these

Answer

B

Explanation

Any substance which when added to a chemical reaction inhibit or decrease the rate of reaction is called negative catalyst. In `CHCl_3` when two percent ethanol is added, it stops the formation of carbonyl chloride. So ethanol acts as negative catalyst