When `SO_2` is passed through acidified `K_2Cr_2O_7` solution

Question

When `SO_2` is passed through acidified `K_2Cr_2O_7` solution

When `SO_2` is passed through acidified `K_2Cr_2O_7` solution
A. the solution turns blue
B. the solution is discolourised
C. `SO_2` is reduced
D. green `Cr_2(SO_4)_3` is formed

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
`K_2Cr_2O_7 + 4H_2SO_4 to K_2SO_4 + underset"Green"(Cr_2(SO_4)_3) + 4H_2O + 3 [O]`
`SO_2 + [O] + H_2O to H_2SO_4`

4 views Answered 2023-02-05 15:29