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Which of the following is not formed whe...

Which of the following is not formed when `H_2S` , reacts with acidic `K_2Cr_2O_7`, solution?

A

`CrSO_4`,

B

`Cr_2(SO_2)`

C

`K_2SO_4`

D

S

Text Solution

Verified by Experts

The correct Answer is:
A
The reaction of acidic `K_2Cr_2O_7 " with " H_2S` is
`K_2Cr_2O_7 + 4H_2SO_4 +3H_2 S to Cr_2(SO_4)_3 + K_2 SO_4 + 3S+ 7H_2O `
`K_2Cr_2O_7` is an oxidizing agent and oxidizes S-to sulphur. .
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