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प्रश्न
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
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उत्तर
dehydrating agent
Sulphuric acid acts as a dehydrating agent as it removes water molecules from the alcohol (ethanol), and converts it to ethene.
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संबंधित प्रश्न
Give a balanced chemical equation for Action of alcoholic KOH on bromethane
State one relevant observation for the following
When the gaseous product obtained by dehydration of ethyl alcohol is passed through bromine water.
Give a balanced equation for the preparation of ethanol from monochloroethane and aq. sodium hydroxide.
Write the molecular formula of ethanol.
Draw the structures for the following compound:
Butanal
Write the balanced equations to convert:
(a) Ethanol to ethene
(b) Ethene to ethanol
Give the necessary conditions and equations of getting ethanol from:
(a) Alkyl halide
(b) An ethene
Name the following:
Oxidising agent used to convert ethanol to acetic acid.
How does ethanol reacts with
(a) Metallic sodium
(b) Acetic acid
(c) Conc.H2S04
Ethane, Ethene, Ethanoic acid, Ethyne, Ethanol
From the compounds given above, name
The compound with -OH as apart of its structure.
The product formed when ethene gas reacts with water in the presence of sulphuric acid is ______.
From the given list, name the compound with –COOH as part of its structure.
What are the functional groups? Name any two compounds containing functional groups.
Write the characteristics of ethanol.
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.
Give the balanced chemical equation of the following reaction:
Combustion of ethanol
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:
Neutralization of NaOH with ethanoic acid.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
