Which of the following compounds undergoes di | vedclass

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(A) The green solution of $MnO_4^{2-}$ is stable only in a strongly basic medium.In a neutral,acidic,or less basic medium,it undergoes disproportionat

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$K_2MnO_4$

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(A) The green solution of $MnO_4^{2-}$ is stable only in a strongly basic medium.In a neutral,acidic,or less basic medium,it undergoes disproportionation into $MnO_2$ and $MnO_4^-$.Since $SO_3$ gas reacts with water to form $H_2SO_4$ (an acid),it creates an acidic medium.Therefore,$K_2MnO_4$ undergoes disproportionation in the presence of $SO_3$ gas:$3K_2MnO_4 + 2SO_3 \rightarrow 2KMnO_4 + MnO_2 + 2K_2SO_4$.

Which of the following compounds undergoes disproportionation in the presence of $SO_3$ gas?

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