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प्रश्न
What is meant by a functional group? Explain with an example.
उत्तर
Functional group: An atom or a group of atoms which determine the properties of an organiccompound is called a functional group.
For example: The alcohol group -OH is also known as an alcoholic group or hydroxyl group. The compounds in which the alcohol group is present are termed as alcohols. The general formula of an alcohol is R-OH (R is an alkyl group) like ethanol which has the molecular formula C2H5OH. All the compounds having this functional group will have similar properties.
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संबंधित प्रश्न
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
State two used of ethanol (other than as a fuel).
Ethanol can be converted into ethene which can be changed into ethane. Choose the correct word or phrase from the bracket to complete the following sentence.
The conversion of ethanol into ethene is an example of ______. (dehydration, dehydrogenation).
How is ethane prepared by Wurtz reaction?
[Ethane, Ethene, Ethanoic acid, Ethyne, Ethanol]
From the above, name the homologue of the homologous series with the general formula CnH2n.
State how the following conversion can be carried out:
Ethyl alcohol to ethene
100% pure ethanol is called ______.
An organic compound ‘A’ is widely used as a preservative and has the molecular formula C2H4O2. This compound reacts with ethanol to form a sweet-smelling compound ‘B’.
Name the process.
Give the balanced chemical equation of the following reaction:
Oxidation of ethanol by acidified potassium dichromate.
