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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.
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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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संबंधित प्रश्न
Write the molecular formula of the 2nd and the 3rd member of the homologous series whose first member is methane.
The compound formed when ethene reacts with Hydrogen is ________. (CH4, C2H6, C3H8)
State one relevant observation for the following
When the gaseous product obtained by dehydration of ethyl alcohol is passed through bromine water.
The next homologue of C2H5OH is ______.
Give one example of the compound having the following functional group:
Alcohol group
What is meant by a functional group? Explain with an example.
Draw the structure for the following compound:
Butanal
When ethanol is heated with concentrated sulphuric acid at 170°C, it gets converted into ethene. In this reaction, concentrated sulphuric acid acts as:
(a) oxidising agent
(b) catalyst
(c) dehydrating agent
(d) reducing agent
How is the absolute alcohol obtained?
How is the spurious alcohol obtained?
What would you see, when ethyne is bubbled through a solution of bromine in carbon tetrachloride?
Identify the functional group of the HCHO ?
How will you bring about the following conversion:
Methane to methanol
Name a solid which can be used, instead of conc. H2SO4 to prepare ethylene by dehydration of ethanol.
Why is the conversion of ethanol to ethanoic acid considered an oxidation reaction? Write the oxidising agent used in the reaction involved.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
How would you bring about the following conversions? Name the process and write the reaction involved.
What is the role of concentrated Sulphuric acid when it is heated with Ethanol at 443 K. Give the reaction involved.
