For example, either of… Test Prep. Its mirror-image enantiomer, (S,S)-tartaric acid, as well its diastereoisomer, (2R,3S)-tartaric acid, can also be synthesized. 147-73-9. meso-tartrate. Composition: A meso compound has identical mirror images. (±)-Tartaric Acid. Racemic tartaric acid is the optically inactive form of tartaric acid and is a mixture of 50-50 portion of D and L-tartaric acid. Chirality: Meso … This can be attributed to the presence of an internal plane of symmetry in the molecule. B. molecular asymmetry. It is a special case of optical activity Questions and Answers – E and Z Nomenclature of Geometric Isomers 1. Optically inactive: ... -Tartaric acid Two stereocenters Optically active (2 R,3 S)-Tartaric acid A meso compound Has stereocenters, but is optically inactive: Related terms: Chiral , … Imagine, if you will, your two hands. D. two asymmetric atoms. (Chem.) 2004-09-16. So the meso form is not optically active. (Chem.) Meso-Tartaric Acid. 2 Names and Identifiers Expand this section. Explanation: Meso-tartaric acid is an optically inactive molecule with a chiral carbon atom. Correct Answer: A. optically inactive tartaric acid mp140C into optically active compounds fail 0. Investigations of isomeric tartaric acid salts, carried out by Louis Pasteur in the mid 19th century, were instrumental in elucidating some of the subtleties of stereochemistry. Pertaining to, or designating, an acid called also {inactive tartaric acid}. [Meso-+ tartaric.]. A common example of meso compound is 2,3-dihydroxybutanedioic acid that is also known as tartaric acid. Meso compound is a single compound which cannot be separated into an optically active compound by the resolution process. Dates: Modify . Could the unusual, optically inactive form of tartaric acid studied by Pasteur have been meso-tartaric acid? answr. In chemistry, racemization is a conversion, by heat or by chemical reaction, of an optically active compound into an optically inactive form which half of the optically active substance becomes its mirror image (enantiomer) referred as racemic mixtures. 1 Structures Expand this section. Meso-tartaric acid is optically inactive due to the presence of: A. molecular symmetry. MEDIUM. Uploaded By noursaif7; Pages 5; Ratings 100% (8) 8 out of 8 people found this document helpful. The tartaric acid molecule has three possible stereoisomers: (R,R)-tartaric acid is the naturally occurring form. This optically inactive form is said to be internally compensated (Optical rotation of one asymmetric carbon is cancelled by that of the other). a) 1,7- Dicarboxylic spirocycloheptane b) 1,3- Diphenyl propadiene c) Meso-tartaric acid d) Glyceraldehyde Answer: c Explanation: Meso-tartaric acid is an optically inactive molecule with a chiral carbon atom. mesotartaric mes o*tar*tar ic, a. Meso tartaric acid is an inactive variety and the rotation of upper half is compensated by the rotation due to lower half. Kirstie Alley ridiculed after voicing support for Trump. This will help us to improve better. For example, tartaric acid can exist as any of three stereoisomers depicted below in a Fischer projection. Unlike enantiomers, diastereoisomers need not have closely similar physical and chemical properties; they may differ as greatly as do structural isomers. C) External compensation . What are Stereoisomers? tartaric acid, HO 2 CCHOHCHOHCO 2 H, white crystalline dicarboxylic acid. It possesses a plane of symmetry and is consequently optically inactive. meso tartaric acid. erythraric acid. 15. Question Q50) meso-Tartaric acid is optically inactive due to the presence of .. a) Molecular symmetry b) Molecular asymmetry c) External compensation d) Two asymmetric carbon atoms Meso tartaric acid is optically inactive due to internal compensation or plane of symmetry. 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