Name the gas that can readily decolourises acidified KMnO4 solution:
A. SO2
B. NO2
C. P2O5
D. CO2
Answer:A
Name the gas that can readily decolourises acidified KMnO4 solution:
A. SO2 B. NO2 C. P2O5 D. CO2
Explanation:- SO2 is readily decolourises acidified KMnO4.