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Ethene is formed when ethanol at 443 K is heated with excess of concentrated sulphuric acid. What is the role of sulphuric acid in this reaction? Write the balanced chemical equation of this reaction. - Science

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प्रश्न

Ethene is formed when ethanol at 443 K is heated with excess of concentrated sulphuric acid. What is the role of sulphuric acid in this reaction? Write the balanced chemical equation of this reaction. 

थोडक्यात उत्तर
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उत्तर

`underset("(ethanol)")("C"_2"H"_5"OH") overset("Conc". "H"_2"SO"_4)(->) underset("(ethene)")("CH"_2 = "CH"_2) + "H"_2"O"`

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पाठ 4: Carbon and its Compounds - Short Answer Questions [पृष्ठ ३५]

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एनसीईआरटी एक्झांप्लर Science [English] Class 10
पाठ 4 Carbon and its Compounds
Short Answer Questions | Q 39. | पृष्ठ ३५

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संबंधित प्रश्‍न

Write a balanced chemical equations for Heating of Ethanol at 170°C in the presence of conc. Sulphuric acid


What is the common name of methanal?


Fill in the following blank with suitable word:

The next higher homologue of ethane is ...............


Give one exampleof the compound having the following functional group:
Alcohol group


What is meant by a functional group? Explain with an example.


What happens when (give chemical equation):
Sodium reacts with ethanol (ethyl alcohol)


State two used of ethanol (other than as a fuel).


How would you test for an alcohol?


What happens when ethanol is heated with concentrated sulphuric acid at 170°C? Write the equation of the reaction which takes place.


Consider the following organic compound:
CH3OH, C2H5OH, CH3COCH3, CH3COOH, C2H5COOH, C4H9COOC2H5, CH4, C2H6, CH3CHO, HCHO
Out of these compound:

Which compound is used to sterilise wounds and syringes?

 

Identify the functional group of the CH3OH ?


Identify the functional group of the HCHO ?


How will you bring about following conversions:
(a) Methane to methanol
(b) Ethane to ethanol (acetaldehyde)
(c) Methane to methanoic acid


The product formed when ethene gas reacts with water in the presence of sulphuric acid is ______.


Give the structural formula of the following:

Ethanoic acid


Complete the following activity.

Boiling point of ethanol  
General name of ethanol  
Use of ethanol  
Boiling point of ethanoic acid  
Melting point of pure ethanoic acid  

Write the chemical equation for the following:

Oxidation of ethanol


What is the role of concentrated Sulphuric acid when it is heated with Ethanol at 443 K. Give the reaction involved.


Give the balanced chemical equation of the following reaction:

Combustion of ethanol.


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