**Structure of Ethyl Acetate** The image provided is a structural formula of Ethyl Acetate, a common ester used in various applications, including as a solvent and in the production of flavors and fragrances. ### Structure Description: 1. **Carbonyl Group**: The structure features a carbonyl group (C=O). The carbon atom of the carbonyl group is bonded to: - An oxygen atom via a double bond. - A methyl group (—CH3) on one side. - An oxygen atom (which forms an ester linkage) on the other side. 2. **Ester Linkage**: The oxygen atom bonded to the carbonyl carbon is also bonded to: - An ethyl group (—CH2—CH3). ### Detailed Composition: - **Molecular Formula**: C4H8O2 - **Functional Groups**: - The ester functional group (—COO—). - Attached to the ester group is: - A methyl group (—CH3). - An ethyl group (—CH2—CH3). ### Visualization: - The left part of the diagram shows a carbon atom double-bonded to an oxygen atom (carbonyl group) and single-bonded to another oxygen atom which is bonded to a carbon chain. - The right part of the diagram shows a single-bonded ethyl group attached to the oxygen atom. ### Uses of Ethyl Acetate: Ethyl acetate is widely used for its pleasant odor and flavor. It is commonly utilized as: - A solvent in paints and coatings. - A flavoring agent in foods and beverages. - An ingredient in perfumes and other personal care items. By understanding the structural formula, students can grasp how different functional groups combine to form a molecule with specific chemical properties and uses.

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NMR Spectroscopy

NMR stands for Nuclear Magnetic Resonance in which the study of different molecules is done based on the interaction of radiofrequency electromagnetic radiations with the nuclei of molecules placed in a strong magnetic field. A precise study of spectra of visible light and all bands of electromagnetic radiation is called spectroscopy.