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Oxides of Group 16

When SO, is p...

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When SO, is passed in acidified K,Cr,O, solution oxidation state of S changed from2(1) +4 to 0(2) +4 to +2(3) +4 to +6(4) +6 to +4

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Q. When sulphur dioxide is passed in an acidified

K_{2} {C r}_{2} O_{7}

solution, the oxidation state of sulphur is changed from:

Q. A solution of

K_{2} C r_{2} O_{7}

H_{2} S O_{4}

when treated with a substance 'X', gives a blue coloured solution of 'Y'. The substance 'X' and the oxidation state of central atom of compound 'Y' are respectively:

S O_{2}

is passed through acidified

K_{2} {C r}_{2} O_{7}

solution, the colour of the solution changes to :

S O_{2}

is passed in acidified

K_{2} C r_{2} O_{7}

solution oxidation state of

S

When $K_{2} C r_{2} O_{7}$ is converted to $K_{2} C r O_{4}$ the change in the oxidation state of chromium is

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