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What happens when hydrogen sulphide is a...

What happens when hydrogen sulphide is added to acidified potassium dichromate solution ?

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Acidified potassium dichromate oxidises hydrogen sulphide to sulphur.
`K_(2)Cr_(2)O_(7)+3H_(2)S+4H_(2)SO_(4)to K_(2)SO_(4)+Cr_(2)(SO_(4))_(3)+3S darr 7H_(2)O`
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