Advertisements
Advertisements
प्रश्न
Give reason for the following:
In the laboratory preparation of nitric acid, the mixture of concentrated sulphuric acid and sodium nitatre should not be heated very strongly, above 200°C
Advertisements
उत्तर
In the laboratory preparation of nitric acid, the mixture of concentrated sulphuric acid and sodium nitrate should not be heated very strongly, above 200°C because a higher temperature can cause following problems:
1. Nitric acid would decompose to form nitrogen dioxide.
2. Sodium sulphate is formed which may stick to the glass and cannot be removed easily.
3. The glass apparatus may break.
APPEARS IN
संबंधित प्रश्न
What is the type of salt formed when the reactants are heated at a suitable temperature for the preparation of Nitric acid?
Ammonia is used in the Ostwald process.
Name the oxidising agent used in this process.
Mention three important uses of nitric acid. Give the property of nitric acid involved in the use.
Give reason for the following:
Conc. Nitric acid renders iron passive.
Name the product, catalyst and approximate temperature maintained in Ostwald's process. How is the temperature maintained in the Ostwald's process?
Write balanced equation for the reaction between nitrogen and oxygen, when lightning strikes.
Name (formula is not acceptable) the gas produced in the following reaction:
By the action of concentrated nitric acid on copper.
Write the equation to show the reaction between the following:
Dilute nitric acid to produce carbon dioxide.
Write the equation for the reaction:
Aluminum, Nitride and Water.
What is the special feature of the apparatus that is used in the laboratory preparation of nitric acid?
