CBSE Class 10 Answered
ifunctional groups and homologous series are very confusing ......i just want to understand it better please help me..
Asked by satyam kumar | 27 Sep, 2012, 05:49: PM
Expert Answer
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A series of organic compounds that have similar structural features but differ from adjacent members by (-CH2) group is referred to as homologous series. Each member of homologous series is called homolog.
1. CH3-OH, CH3-CH2-OH, C3H7-OH are the members of a homologous series called "Alcohols".
2. CH3-COOH, CH3-CH2-COOH, C3H7-COOH are the members of homologous series called "Carboxylic acids". 3. CH3-O-CH3, C2H5-O-CH3, C3H7-O-CH3 are the members of homologous series called "Ethers". |
Functional Groups : There are certain atoms or groups of atoms known as functional groups which gives the compounds their characteristic properties.
| Functional Group | Name | Example | ||
 |
Alkane | CH3CH2CH3 (propane) | ||
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Alkene | CH3CH=CH2 (propene) | ||
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Alkyne | CH3C CH (propyne) |
||
| F, Cl, Br, or I | Alkyl halide | CH3Br (methyl bromide) | ||
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Alcohol | CH3CH2OH (ethanol) | ||
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Ether | CH3OCH3 (dimethyl ether) | ||
 |
Amine | CH3NH2 (methyl amine) |
Answered by | 27 Sep, 2012, 08:29: PM
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