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Question 16 - Past Year - 3 Mark Questions - Chapter 4 Class 10 - Carbon and its Compounds

Last updated at Dec. 13, 2024 by Teachoo

Write the structural formula of ethanol. What happens when it is heated with excess of conc. H 2 SO 4 at 443 K? Write the chemical equation for the reaction stating the role of conc. H 2 SO 4 in this reaction.

 

Answer

Structure of ethanol:  

                                        

When ethanol is heated with conc H 2 SO 4 , 

  • a dehydration reaction takes place i.e. a water molecule is removed. 
  • As a result, ethene is formed . 

The reaction that takes place is:

                             

Here, H 2 SO 4 acts as a dehydrating agent and removes a water molecule from ethanol.

  1. Class 10
  2. Chapter 4 Class 10 - Carbon and its Compounds

    3. Past Year - 3 Mark Questions

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Chapter 4 Class 10 - Carbon and its Compounds

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo