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Choose correct statements regarding the ...

Choose correct statements regarding the following reaction
`Cr_2O_(7(aq))^(-2)+3SO_(3(aq))^(-2) + 8H^(+) rarr 2Cr_((aq))^(+3) +3SO_(4(aq))^(-2) + 4H_2O`

A

`Cr_(2)O_(7)^(-2)` is oxidising agent

B

`SO_(3)^(-2)` is reducing agent

C

The oxidation number of per S-atom in `3SO_(3)^(-2)` is increased by two

D

The oxidation number of per Cr-atom is decreased by three

Text Solution

Verified by Experts

The correct Answer is:
A, B, C, D
`Cr_(2)^(+6)O_(7)^(-2) + S^(+4)O_(3)^(-2) rarr Cr^(+3) + S^(+6) O_(4)^(-2)`
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