JEE Main Chemistry question

Not in JEE Main or NEET syllabus

Which is not true in the case of a catalyst?

(A)The catalyst is unchanged chemically at the end of a reaction
(B)The catalyst accelerates the reaction
(C)In a reversible reaction, the catalyst alters the equilibrium positionCorrect
(D)A small amount of catalyst is often sufficient to bring about a large change in the reaction

Answer: (C)

Solution

A catalyst remains chemically unchanged (A) and speeds up a reaction (B), and even a small quantity is often enough to achieve a substantial increase in rate (D) — all

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Question ID VK-144999