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प्रश्न
Write the name and structural formula of the compound obtained when ethanol is heated at 443 K with excess of conc. H2SO4. Also write chemical equation for the reaction stating the role of conc. H2SO4 in it.
उत्तर
When ethanol (C2H5OH) is heated at 443 K with excess of conc. H2SO4, ethene (C2H4) is obtained. In this reaction, sulphuric acid acts as a dehydrating agent.
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संबंधित प्रश्न
............ is a functional group of the alcohol.
Fill in the following blank with suitable word.
The functional group present in ethanol is ...............
One of the following substances is not added to make denatured alcohol. This is:
(a) methyl alcohol
(b) copper sulphate
(c) chloroform
(d) pyridine
Give the lab. Prepared of ethyl alcohol .
Write the name and molecular formula of an organic compound having its name suffixed with 'ol' and having two carbon atoms in its molecule. Write balanced chemical equation to indicate what happens when this compound is heated with excess conc. H2SO4 and the name of main product formed. Also state the role of conc. H2SO4 in the reaction.
What is meant by functional group in carbon compounds? Write in tabular form the structural formula and the functional group present in the following compounds:
(i) Ethanol
(ii) Ethanoic acid
At room temperature ethanol is _______.
How is ethene prepared from ethanol? Give the reaction involved in it.
Name the compound formed when ethanol is heated at 443 K in the presence of conc. \[\ce{H2SO4}\] and draw its electron dot structure.
State the role of conc. \[\ce{H2SO4}\] in the reaction.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
