In the laboratory preparation of nitric acid, it can be obtained below 200∘C or above 200∘C, but the lower temperature is preferred. Which of the following reason(s) is /are correct?
i. The glass apparatus may break at a higher temperature.
ii. At lower temperature, potassium or sodium sulphate is formed, which cannot be easily removed from the apparatus.
iii. Some quantity of nitric acid gets decomposed at a higher temperature.
In the laboratory preparation of nitric acid, it can be obtained below 200∘C or above 200∘C, but the lower temperature is preferred. Which of the following reason(s) is /are correct?
i. The glass apparatus may break at a higher temperature.
ii. At lower temperature, potassium or sodium sulphate is formed, which cannot be easily removed from the apparatus.
iii. Some quantity of nitric acid gets decomposed at a higher temperature.
The correct option is D Both of the above reasons are wrong.
The lower temperature is preferred due to the following reasons:
i. The glass apparatus may break at a higher temperature.
ii. At higher temperature, potassium or sodium sulphate is formed, which cannot be easily removed from the apparatus.
iii. Some quantity of nitric acid gets decomposed at a higher temperature.
Both of the above reasons are wrong.
The lower temperature is preferred due to the following reasons:
i. The glass apparatus may break at a higher temperature.
ii. At higher temperature, potassium or sodium sulphate is formed, which cannot be easily removed from the apparatus.
iii. Some quantity of nitric acid gets decomposed at a higher temperature.
