1.

The oxidation state of chromium in the final product formed by the reaction betweenKI and acidified potassium dichromate solution is

Answer»

`+3`
`+2`
`+6`
`+4`

Solution :`K_(2)Cr_(2)O_(7)//H_(2)SO_(4)` oxidises KI to `I_(2)` and itself REDUCED to `Cr_(2)(SO_(4)^(3))`
`K_(2)Cr_(2)O_(7)RARROVERSET(+3)Cr_(2)(SO_(4)^(3))`


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