A) positive catalyst
B) negative catalyst
C) autocatalyst
D) none of these
Correct Answer: B
Solution :
Key Idea: [a] Positive catalyst increase the rate of reaction. [b] Negative catalyst decrease the rate of reaction. [c] Auto catalyst are formed during reaction. \[\because \] Addition of 1% alcohol to chloroform decreases the rate of decomposition of\[CHC{{l}_{3}}\]. \[\therefore \] 1% alcohol acts as negative catalyst in this reaction.
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