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Which of the following methods/reactions is used for the preparation of pure methane?
  • a)
    Wurtz reaction
  • b)
    Kolbe's electrolytic method
  • c)
    Soda lime decarboxylation
  • d)
    Reduction with H2
Correct answer is option 'C'. Can you explain this answer?
Verified Answer
Which of the following methods/reactions is used for the preparation o...
Acetic acid salt on heating with soda lime gives methane.
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Which of the following methods/reactions is used for the preparation o...
Preparation of Pure Methane

Soda Lime Decarboxylation
- Soda lime decarboxylation is a method used for the preparation of pure methane.
- In this method, a carboxylic acid is heated with soda lime (a mixture of sodium hydroxide and calcium oxide) to produce methane gas.
- The carboxylic acid undergoes decarboxylation, leading to the formation of carbon dioxide and methane.
- The methane gas produced can be collected and purified to obtain pure methane.

Advantages of Soda Lime Decarboxylation
- This method is relatively simple and cost-effective.
- It can be used to prepare pure methane from a variety of carboxylic acids.

Conclusion
Soda lime decarboxylation is a useful method for the preparation of pure methane. By heating a carboxylic acid with soda lime, methane gas can be obtained and purified for various applications.
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Which of the following methods/reactions is used for the preparation of pure methane?a)Wurtz reactionb)Kolbes electrolytic methodc)Soda lime decarboxylationd)Reduction with H2Correct answer is option 'C'. Can you explain this answer?
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