Which of the following statements with regard to heating of lead nitrate P
1. Brown fumes of NO are released.
2. Colourless 02 gas is released.
3. It is an example of oxidation reaction.
4. It is an example of thermal decomposition used for the production of NO2 gas.
Select the correct answer using the code given below.
This questions was previously asked in
2023 CDS -1 GK
2, 3 and 4
Incorrect Answer1, 3 and 4
Incorrect Answer2 and 4 only
Correct AnswerExplanation:
- Statement 1: Brown fumes of NO are released.
- Incorrect. The fumes released are of nitrogen dioxide (NO2), not nitric oxide (NO).
- Statement 2: Colourless O2 gas is released.
- Correct. Oxygen is released upon the thermal decomposition of lead nitrate.
- Statement 3: It is an example of oxidation reaction.
- Incorrect. This is a thermal decomposition reaction, not oxidation.
- Statement 4: It is an example of thermal decomposition used for the production of NO2 gas.
- Correct. Upon heating, lead nitrate decomposes to produce NO2 gas.
- Correct Answer: Option 4, 2 and 4 only.
![]()
By: Parvesh Mehta