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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
The catalyst used in the contact process is
(A) Copper
(B) Iron
(C) Vanadium pentoxide
(D) Manganese dioxide
Fill in the following blank with suitable word:
The next higher homologue of ethane is ...............
Match the formulae in group A with appropriate names from group B:
Group A: CH3COOH, CH3CHO, CH3OH
Group B: Ethanol, Methanol, Ethanal, Ethanoic acid
Draw the structures for the following compounds of Pentanal
How would you test for an alcohol?
What would be observed on adding a 5% alkaline potassium permanganate solution drop by drop to some warm ethanol in a test-tube? Write the name of the compound formed during the chemical reaction. Also write chemical equation of the reaction which takes place.
Give two uses each of:
(i) Methane (ii) ethane
Write the rnolecular formula and structural forrnula of ethanol.
Give the necessary conditions and equations of getting ethanol from:
(a) Alkyl halide
(b) An ethene
Addition reactions and substitution reactions are types of organic reactions.Which type of reaction is shown by?
Ethene?
The product formed when ethene gas reacts with water in the presence of sulphuric acid is ______.
What are the functional groups? Name any two compounds containing functional groups.
Answer the following question.
Write the chemical formula and name of the compound which is the active ingredient of all alcoholic drinks. List its two uses.
Write the chemical equation and name of the product formed when this compound reacts with -
(i) Sodium metal
(ii) hot concentrated sulphuric acid
Write the chemical equation for the following:
Oxidation of ethanol
The organic compounds having functional group are known as ______.
How is ethene prepared from ethanol? Give the reaction involved in it.
A gas is evolved when ethanol reacts with sodium. Name the gas evolved and also write the balanced chemical equation of the reaction involved.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
Give the balanced chemical equation of the following reaction:
Combustion of ethanol.
