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Butane has 2 chain isomers: pentane has ...

Butane has 2 chain isomers: pentane has 3, hexane has 5 and heptane has 9 chain isomers.

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AAKASH SERIES-GENERAL ORGANIC CHEMISTRY-Subjective Exercise -8
  1. Chain isomerism arises due to difference in the arrangement of carbon ...

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  2. Chain isomers differ in the nature of the carbon chain (skeleton)

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  3. Butane has 2 chain isomers: pentane has 3, hexane has 5 and heptane ha...

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  4. Position isomerism is due to the difference in the position of a funct...

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  5. Compounds having same molecule formula but difference functional group...

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  6. Alchohol's ethers, aldehydes-ketones, carboxylic acids-esters, etc, ar...

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  7. Metamerism is due to the presence of different alkyl groups attached t...

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  8. Ketone secondary amines, ethers etc show metamerism

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  9. Tautomerism is a special type of functional isomerism where the isomer...

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  10. Configurational isomerism is further divided into geometrical isomeris...

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  11. Geometrical isomerism arises due to restricted rotation about carbon-c...

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  12. In cis isomers, same or similar groups are present on the same side of...

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  13. In trans isomer, similar groups are present on the opposite sdie of th...

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  14. Unsymmetrical alkenes and their derivatives, cycloalkane dicarboxylic ...

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  15. Generally geometrical isomers possess similar chemical properties but ...

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  16. Cis isomer is more polar than trans isomer, posseses higher boiling po...

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  17. Cis isomer has lesser stability than the corresponding trans isomer

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  18. The light ray which vibrates in a sinle plane is called as plane polar...

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  19. The substances which have the ability of rotating plane polarised ligh...

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  20. If the rotation is in clockwise direction, it is called dextro rotator...

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