(i) What happens when H2S is passed into...

(i) What happens when `H_2S` is passed into potassium dichromate in acidic medium ? Give the equation.
(ii) What is the composition of chromite ore ?

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(i) `H_2S` gets oxidized to sulphur
`Cr_2O_(7)^(2-) + 14H + 6e to 2Cr^(+3) + 7H_2O`
`3H_2S to 6H^(+) + 3S + 6e^(-) `
(ii) `FeCr_2O_4`.

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OSWAAL PUBLICATION-D - BLOCK ELEMENTS F - BLOCK ELEMENTS -TOPIC-1 (D - BLOCK ELEMENTS, THEIR PROPERTIES AND COMPONDS) LONG ANSWER TYPE QUESTIONS - I

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