In aqueous solution,Na_2SO_3 is oxidized by a | vedclass

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(C) The oxidation of $Na_2SO_3$ by air occurs spontaneously. However,$Na_3AsO_3$ does not undergo oxidation by air on its own. When both are present,t

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Induced catalysis

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(C) The oxidation of $Na_2SO_3$ by air occurs spontaneously. However,$Na_3AsO_3$ does not undergo oxidation by air on its own. When both are present,the oxidation of $Na_2SO_3$ induces the oxidation of $Na_3AsO_3$. This phenomenon,where one chemical reaction induces another that would not otherwise occur,is known as $Induced 	ext{ } catalysis$.

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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