Which one of the following statements is correct when `SO_(2)` is passed through acidified `K_(2)Cr_(2)O_(7)` solution?

Question

Which one of the following statements is correct when `SO_(2)` is passed through acidified `K_(2)Cr_(2)O_(7)` solution?

Which one of the following statements is correct when `SO_(2)` is passed through acidified `K_(2)Cr_(2)O_(7)` solution?
A. `SO_(2)` is reduced
B. Green `Cr_(2)(SO_(4))_(3)` is formed
C. The solution turns blue
D. The solution is decolourlesed.

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 - B
`{:(K_(2)Cr_(2)O_(7),+,H_(2)SO_(4),+,3SO_(2)),(" "darr,,,,),(K_(2)SO_(4),+,Cr_(2)(SO_(4))_(3),+,H_(2)):}`

4 views Answered 2023-02-05 15:29