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Which of the following can converts acid...

Which of the following can converts acidified `Cr_(2)O_(7)^(2(-))` to green product?

A

`SO_(2), H_(2)SO_(3) and H_(2)SO_(4)`

B

`SO_(3), H_(2)S and H_(2)SO_(3)`

C

`SO_(3), H_(2)S and Fe^(+3)`

D

`SO_(3)^(-2), H_(2)S and Fe^(+2)`

Text Solution

Verified by Experts

The correct Answer is:
B
`2CuCl_(2)+SO_(2)+2H_(2)O to 2CuCl (s) +2HCl(g)+H_(2)SO_(4)(d)`
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