NO can be analysed by converting it into NO2 and passing it through potassium permanganate. Which of the following is the main disadvantage of this method?
A. Less accuracy
B. Dye formed is unstable
C. Dye formed is colourless
D. Quantity of dye is low
Answer:B
NO can be analysed by converting it into NO2 and passing it through potassium permanganate. Which of the following is the main disadvantage of this method?
A. Less accuracy B. Dye formed is unstable C. Dye formed is colourless D. Quantity of dye is low
Explanation: NO can be analysed by converting it into NO2 and passing it through potassium permanganate. The main disadvantage of this method is that the dye formed is unstable. Hence, it is not suitable for collection of 24 hours sample.