English

How Will You Obtain Nitrogen Dioxide from Lead Nitrate. Also Give Balanced Equations for the Reactions - Chemistry

Advertisements
Advertisements

Question

How will you obtain  Nitrogen dioxide from lead nitrate.
Also give balanced equations for the reactions

One Line Answer
Advertisements

Solution

Lead nitrate when heated nitrogen oxide is obtained

\[\ce{2Pb(NO3)2 ->[heat] 2PbO(s) + 4NO2 + O2 (g)}\]

shaalaa.com
  Is there an error in this question or solution?
Chapter 6: Chemical Reactions - Exercise 2 [Page 86]

APPEARS IN

Selina Concise Chemistry [English] Class 8 ICSE
Chapter 6 Chemical Reactions
Exercise 2 | Q 6.3 | Page 86

RELATED QUESTIONS

Why is the amount of gas collected in one of the test tubes in the following Activity double of the amount collected in the other? Name this gas.

  • Take a plastic mug. Drill two holes at its base and fit rubber stoppers in these holes. Insert carbon electrodes in these rubber stoppers as shown in the following Fig.
  • Connect these electrodes to a 6 volt battery.
  • Fill the mug with water such that the electrodes are immersed. Add a few drops of dilute sulphuric acid to the water.
  • Take two test tubes filled with water and invert them over the two carbon electrodes.
  • Switch on the current and leave the apparatus undisturbed for some time.
  • You will observe the formation of bubbles at both the electrodes. These bubbles displace water in the test tubes.
  • Is the volume of the gas collected the same in both the test tubes?
    • Once the test tubes are filled with the respective gases, remove them carefully.
  • Test these gases one by one by bringing a burning candle close to the mouth of the test tubes.

Caution: This step must be performed carefully by the teacher.

  • What happens in each case?
  • Which gas is present in each test tube?


Write one equation for decomposition reactions where energy is supplied in the form of heat.


What type of reaction is represented by the following equation?

\[\ce{CaCO3 -> CaCO + CO2}\]


Name the product formed on strongly heating ferrous sulphate crystals. What type of chemical reaction occurs in this change?


Two metals X and Y form the salts XSO4 and Y2SO4, respectively. The solution of salt XSO4 is blue in colour whereas that of Y2SO4 is colourless. When barium chloride solution is added to XSO4 solution, then a white precipitate Z is formed alongwith a salt which turns the solution green. And when barium chloride solution is added to Y2SO4 solution, then the same white precipitate  Z is formed alongwith colourless common salt solution.
(a) What could the metals X and Y be?
(b) Write the name and formula of salt XSO4.
(c) Write the name and formula of salt Y2SO4.
(d) What is the name and formula of white precipitate Z?
(e) Write the name and formula of the salt which turns the solution green in the first case.


What are thermal decomposition reactions ? Explain with an example.


Complete the statement by filling in the blank with the correct word:

Decomposition of silver salts in the presence of sunlight is an example of _________.


What is electrolysis?


Explain the reaction given in the figure.


Which of the following is an endothermic process?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×