How many types of isomerism are there?
Correct answer: A. 2
- A. 2
- B. 5
- C. 3
- D. 4
Explanation
The correct answer is A) 2. In organic chemistry, isomerism is primarily categorized into two main types: Structural Isomerism and Stereoisomerism. Structural isomerism includes various subtypes such as Chain Isomerism, Position Isomerism, Functional Isomerism, Metamerism, Tautomerism, and Ring-Chain Isomerism. On the other hand, Stereoisomerism can be further divided into Configurational Isomerism (which includes Geometric and Optical Isomerism) and Conformational Isomerism.Options B, C, and D are incorrect because they misrepresent the classification of isomerism. They incorrectly present an arbitrary number of types without acknowledging the broader two-category structure.
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About Fundamental Principles of Organic Chemistry
Organic chemistry begins with carbon compounds classified by carbon skeleton, saturation and functional group. Work includes identifying groups such as hydroxyl, carbonyl, carboxyl and amino, applying basic nomenclature, and distinguishing structural, geometric and optical isomers, where the same molecular formula does not necessarily mean the same structure or properties.
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