In the laboratory preparation of nitric acid from – KNO3 or NaNO3 St

1.	In the laboratory preparation of nitric acid from – KNO3 or NaNO3 State. 1. The acid used 2. The type of apparatus used 3. The precautions to be taken during the preparation 4. The method of collection of the acid 5. The method of identification of the product i.e. acid formed.
Answer» 1. Cone, sulphuric acid 2. Glass retort 3. Precautions are: Use all glass apparatus with no wooden or rubber cork. Control the temperature carefully at nearly 200 °C. 4. Concentrated nitric acid vapours – condense and are collected in the water-cooled receiver. 5. The vapours obtained in the receiver on heating alone or with copper turnings evolve – reddish brown fumes of nitrogen dioxide which turns acidified ferrous sulphate solution brown – proving that the vapours are of nitric acid.

In the laboratory preparation of nitric acid from – KNO3 or NaNO3 State. 1. The acid used 2. The type of apparatus used 3. The precautions to be taken during the preparation 4. The method of collection of the acid 5. The method of identification of the product i.e. acid formed.

Answer»

1. Cone, sulphuric acid

2. Glass retort

3. Precautions are:

Use all glass apparatus with no wooden or rubber cork.
Control the temperature carefully at nearly 200 °C.

4. Concentrated nitric acid vapours – condense and are collected in the water-cooled receiver.

5. The vapours obtained in the receiver on heating alone or with copper turnings evolve – reddish brown fumes of nitrogen dioxide which turns acidified ferrous sulphate solution brown – proving that the vapours are of nitric acid.

Discussion

No Comment Found

Related InterviewSolutions

What were the two main occupations of the Rig Vedic Aryans?
Name the two political institutions which exercised check on the powers of the King in the Rig Vedic period.
What w’as the position of women in the Rig Vedic age ?
Describe the social life of the Rig Vedic Aryans with reference to the following: (a) The Family Structure (b) Position of Women (c) Varna System
With reference to the following explain the main features of the Rig Vedic Economy: (a) Agriculture (b) Domestication of Animals (c) Trade Transactions, Crafts and Transportation
Mention any two archaeological sources to reconstruct the later Vedic Age.
Mention any two of the Ashrams in the life of a man in Aryan society.
What information do we gather from the later Vedic literature in respect of: (a) Spread of Vedic Civilization to many New Regions. (b) Role of Iron in later Vedic Economy.
Mention briefly the rituals and sacrifices of the later Vedic Aryans?
What is the message of the Bhagavad Gita?

In the laboratory preparation of nitric acid from – KNO3 or NaNO3 State. 1. The acid used 2. The type of apparatus used 3. The precautions to be taken during the preparation 4. The method of collection of the acid 5. The method of identification of the product i.e. acid formed.

Discussion

No Comment Found

Related InterviewSolutions

Reply to Comment