NEET2017Chemistry-Redox Reactions
NEET 2017 Chemistry Oxidation and Reduction MCQ Question
Type: MCQ-conceptual-Easy-Class 11
Name the gas that can readily decolourise acidified KMnO₄ solution. (A) SO₂ (B) NO₂ (C) P₂O₅ (D) CO₂
A
SO₂
B
NO₂
C
P₂O₅
D
CO₂
Correct Answer
Option A
Detailed Explanation
SO₂ is a reducing agent and can decolourise acidified KMnO₄ by reducing it.
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