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syn and anti nomenclature || Nomenclature used in geometrical isomerism||Syn- Anti in Oximes|JEE|| Video Lecture - NEET

FAQs on syn and anti nomenclature -- Nomenclature used in geometrical isomerism--Syn- Anti in Oximes-JEE-- Video Lecture - NEET

1. What is the significance of syn and anti nomenclature in geometrical isomerism?
Ans. The syn and anti nomenclature is used to describe the relative positions of substituents on a double bond in geometrical isomerism. Syn isomerism refers to the arrangement where the substituents are on the same side of the double bond, while anti isomerism refers to the arrangement where the substituents are on the opposite sides of the double bond.
2. How are syn and anti isomers named in the nomenclature?
Ans. In the nomenclature of syn and anti isomers, the prefix "syn-" is added before the name of the compound to indicate that the substituents are on the same side of the double bond. Similarly, the prefix "anti-" is added before the name of the compound to indicate that the substituents are on the opposite sides of the double bond.
3. What are oximes and how do they exhibit syn-anti isomerism?
Ans. Oximes are compounds that contain the functional group -C=N-OH. They exhibit syn-anti isomerism when there is a double bond present between the carbon and nitrogen atoms. In this case, the syn isomer has the substituents on the same side of the double bond, while the anti isomer has the substituents on the opposite sides of the double bond.
4. How does syn-anti isomerism affect the physical properties of oximes?
Ans. Syn-anti isomerism can affect the physical properties of oximes. For example, the boiling points of syn isomers are generally higher than those of the corresponding anti isomers. This is because the syn isomers have stronger intermolecular forces of attraction due to the proximity of the substituents on the same side of the double bond.
5. How is syn-anti isomerism relevant to competitive exams like JEE and NEET?
Ans. In competitive exams like JEE and NEET, understanding syn-anti isomerism and its nomenclature is important for organic chemistry. Questions related to the naming of syn and anti isomers, their arrangement on a double bond, and their impact on physical properties may be asked. Having a clear understanding of these concepts can help students answer such questions accurately and score well in the exams.
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