jimohromok jimohromok

07-01-2020
Geography

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what are the observation when hydrogen sulphide passes through K2CR2O7 and KMNO4

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IAmPeter IAmPeter

07-01-2020

Answer:

When H2S is bubbled through acidified KMnO4 solution, it decolorises and a white turbidity is observed. This is because, the powerful oxidizing agent permanganate ion has oxidized the sulfide ion (-2) to zero oxidation state.

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