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Which one of the following statements is correct when SO2 is passed through aciditied K2Cr2O7 solution?

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Which one of the following statements is correct when SO2 is passed through aciditied K2Cr2O7 solution?

(a) SO2 is reduced.

(b) Green Cr2(SO4)3 is formed.

(c) The solution turns blue.

(d) The solution is decolourised.

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1 Answer

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Best answer

Correct option (b) Green Cr2(SO4)3 is formed

Explanation :

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