Multiple Choice Questions

Which of the following statements with regard to heating of lead nitrate P lt Wder over a flame are ...........

General Science (CDS) Chemistry

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

1 and 2

2, 3 and 4

1, 3 and 4

2 and 4 only

- 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.

Submit Error