NEET2016Chemistry-Redox Reactions
NEET 2016 Chemistry Oxidation and Reduction MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which one of the following statements is CORRECT when SO₂ is passed through acidified K₂Cr₂O₇ solution?
A
SO₂ is reduced.
B
Green Cr₂(SO₄)₃ is formed.
C
The solution turns blue.
D
The solution is decolourized.
Correct Answer
Option B
Detailed Explanation
SO₂ reduces the orange K₂Cr₂O₇ to green Cr₂(SO₄)₃, decolourizing the solution.
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