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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
Give other two names of ethanol.
Name the hydrocarbon formed when ethanol is heated with conc. H2SO4 at 170°C? What is this reaction known as?
Write the chemical equation of the reaction which takes place during the burning of ethanol in air.
State two used of ethanol (other than as a fuel).
Give the harmful effects of drinking alcohol.
State the method of preparation of ethanol by hydrolysis of ethene.
Give the lab. Prepared of methyl alcohol.
Identify the functional group of the CH3OH ?
With a labelled diagram describe an activity to show the formation of an ester.
How will you bring about following conversions:
(a) Methane to methanol
(b) Ethane to ethanol (acetaldehyde)
(c) Methane to methanoic acid
Name the following:
Oxidising agent used to convert ethanol to acetic acid.
How will you carry out the following conversions:
(i) Ethanol to ethene
(ii) Bromoethane to ethanol
Convert ethanol into ethene using a solid dehydrating agent. Give only a balanced equation.
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
3 mL of ethanol is taken in a test tube and warmed gently in a water bath. A 5% solution of alkaline potassium permanganate is added to the first drop by drop to this solution, then in excess.
- How is a 5% solution of KMnO4 prepared?
- State the role of alkaline potassium permanganate in this reaction. What happens on adding it in excess?
- Write the chemical equation of this reaction.
Write the molecular formula of the given compound.
Ethanol
Write the characteristics of ethanol.
Ethanol is also known as which of these?
How would you bring about the following conversions? Name the process and write the reaction involved.
Give the balanced chemical equation of the following reaction:
Combustion of ethanol.
