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  • Which one of the following statements is correct when  is passed through acidified <img alt="K_{2

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

Option: 1

The solution turns blue


Option: 2

The solution is decolourized


Option: 3

SO_{2} is reduced


Option: 4

Green Cr_{2}(SO_{4})_{3} is formed


Answers (1)

best_answer

K_2Cr_2O_7+H_2sO_4+3SO_2\rightarrow Cr_2(SO_4) +K_2SO_4+H_2O
                                                                        (Green)

Correct Answer is Option 4.

Posted by

Devendra Khairwa

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