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NEET 2016 Chemistry question

ChemistryThe p-Block ElementsNEET 2016

Which one of the following statements is correct when is passed through acidified solution?

Answer: (4)

Solution

is a reducing agent and acidified dichromate (orange) is a strong oxidising agent: Missing superscript or subscript argument\text{K}_2\text{Cr}_2\text{O}_7 + 3\text{SO}_2 + \text{H}_2\text{SO}_4 → \text{K}_2\text{SO}_4 + \text{Cr}_2(\text{SO}_4)_3$ +

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Question ID VK-091893