Structural Isomerism

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Structural Isomerism: Overview

This topic covers concepts, such as, Structural Isomerism, Chain Isomerism, Acid-catalyzed Enolisation & Relative Stabilities of Keto and Enol Tautomers etc.

Important Questions on Structural Isomerism

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The compound C2H5OC2H5 and CH3OCH2CH2CH3 are 

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Molecular formula C3H6Br2 can have (including stereoisomer):

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Phenol and benzyl alcohol are 

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How many structural formula are possible when one of the hydrogen is replaced by a chlorine atom in anthracene?

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C7H7Cl shows how many benzenoid aromatic isomers?

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The compounds C2H5OC2H5 and CH3OCH2CH2CH3 are:

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The enolic form of acetone contains

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    The total number of structural isomers of C6H14 is:

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Relation between the above compounds is

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The minimum number of carbon atoms that should be present in an organic compound to be able to show position isomerism is :

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Are tautomers called functional isomers?

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Which of the following are not chain isomers?

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The number of amides possible from molecular formula C4H9NO is

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The number of structural isomers possible from the molecular formula C2H2FCl Br I is

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Positional isomers differ in

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Which of the following pair represents chain isomers?

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Out of the different structural isomers possible with molecular formula C5H11Br, how many are tertiary alkyl bromides?

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Which of the following statements is false regarding the enolization of

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(a) It can form two types of enolic forms of equal stability.

(b) It can form only two types of enolic forms of different stability.

(c) It can form more than two types of enolic forms of different stability.

(d) It can form only one type enolic form.