In the laboratory preparation of nitric acid, it can be obtained below

1.	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.
Answer» In the laboratory preparation of nitric acid, it can be obtained below $200^{\circ}$ C or above $200^{\circ}$ 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.

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.

Answer»

In the laboratory preparation of nitric acid, it can be obtained below $200^{\circ}$ C or above $200^{\circ}$ 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.

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