Which of the following characteristics belong | vedclass

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(C) catalyst is a substance that alters the rate of a chemical reaction without itself undergoing any permanent chemical change. It works by providing

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It changes the rate of the reaction.

Vedclass · Answer

(C) catalyst is a substance that alters the rate of a chemical reaction without itself undergoing any permanent chemical change. It works by providing an alternative reaction pathway with a lower activation energy,thereby increasing the rate of reaction. It does not change the equilibrium constant or the equilibrium position of a reversible reaction,nor does it initiate a reaction that is not thermodynamically feasible.

Which of the following characteristics belongs to a catalyst?

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In aqueous solution,$Na_2SO_3$ is oxidized by air,but $Na_3AsO_3$ is not. However,when air is passed through a solution containing both $Na_2SO_3$ and $Na_3AsO_3$,both are oxidized. This is an example of:

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