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Metamerism | Tautomerism | Ring-chain isomerism Video Lecture | Crash Course for IIT JAM Chemistry

FAQs on Metamerism - Tautomerism - Ring-chain isomerism Video Lecture - Crash Course for IIT JAM Chemistry

1. What is metamerism in chemistry?

Ans. Metamerism is a type of structural isomerism in organic chemistry where compounds have the same molecular formula but differ in the arrangement of atoms within the molecule. This difference in arrangement leads to differences in physical and chemical properties.

2. What is tautomerism and how does it differ from metamerism?

Ans. Tautomerism is a type of structural isomerism in organic chemistry where compounds exist in two forms called tautomers, which rapidly interconvert. These tautomers differ in the position of a hydrogen atom and the double bond within the molecule. Unlike metamerism, tautomers have different functional groups.

3. Can you provide an example of ring-chain isomerism?

Ans. Yes, an example of ring-chain isomerism is the compound glucose and its chain isomer fructose. Glucose is a six-membered ring structure, while fructose is a five-membered ring structure. Both compounds have the same molecular formula (C6H12O6) but differ in their structures.

4. How does metamerism affect the properties of compounds?

Ans. Metamerism can lead to differences in physical and chemical properties of compounds. For example, metamerism can affect the boiling point, melting point, solubility, and reactivity of compounds. These differences arise due to variations in the arrangement of atoms within the molecule.

5. Is ring-chain isomerism only applicable to organic compounds?

Ans. No, ring-chain isomerism is not limited to organic compounds. It can also occur in inorganic compounds. For example, the coordination compound [Co(NH3)6]Cl3 can exhibit ring-chain isomerism where the ammine ligands (NH3) can be arranged in a ring or in a linear chain around the central cobalt ion.

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Sep 02, 2025 Last updated

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