Optically active compounds having no chiral carbon. It is a conjugate acid of a meso-tartrate(1-). B) Molecular asymmetry . It is melting point is 260°. 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. C) External compensation . Meso-tartaric acid is a 2,3-dihydroxybutanedioic acid that has meso configuration. 3 Chemical and Physical Properties Expand this section. Meso-tartaric acid is optically inactive due to the presence of [AIIMS 1982; MP PMT 1987] A) Molecular symmetry . It can not be separated into two forms. It is melting point is 140°C. 12.9k VIEWS. Meso Tartaric Acid: Racemic Mixture: The angle of optical rotation of meso tartaric acid is 0°. III is meso-form of tartaric acid. It exists ln 3 forms one is meso form which optically inactive due to internal compensation. 1 Structures Expand this section. Tartaric acid is optically active only...it has 2 chiral carbon ato… ChEBI. 4.7k SHARES ... Meso-tartaric acid is optically inactive due to the presence of 1:31 1.7k LIKES. 900+ SHARES. 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. Optical inactivity of meso -tartaric acid We usually come across in many standard text books of organic chemistry that meso -tartaric acid is optically inactive simply because it has a plane of symmetry [11-13] (point group Cs) and an imaginary mirror plane is drawn across the molecule in … D) Two asymmetric C-atoms . 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 4.7k VIEWS. NEET Chemistry Organic Chemistry - Some Basic Principles And Techniques questions & solutions with PDF and difficulty level It is optically inactive due … 2 Names and Identifiers Expand this section. Meso compounds are achiral (optically inactive) diastereomers of chiral stereoisomers. Its angle of optical rotation is also 0°. Meso-tartaric acid is optically inactive due to the presence of 000+ LIKES. 12.9k SHARES. Share Contents. Racemic tartaric acid is optically inactive due to 1:07 200+ LIKES. 900+ VIEWS. Meso tartaric acid is optically inactive due to the presence of (A) molecular symmetry (B) molecular asymmetry (C) external compensation (D) two asymm Correct Answer: A. ... A meso compound is optically inactive due to internal compensation. It can be separated into two forms.