Tartaric acid though it contains four chiral carbons will exists in three isomeric forms i.e., (+), (-), and meso.(+) and (-) tartaric acids are mirror images of each other and are hence enantiomers while meso is not a mirror image of either of them.
Optical activity of compounds in solution can be measured with a polarimeter shown. The tartaric acid molecule has three possible stereoisomers.
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These are not optical isomers they are functional group isomers a subcategory of structural isomers.
on heating the tartaric acid, the tartaric acid forms a keto acid which is known as pyruvic acid C4H6O6 ------KHSO4/heating------> C3H4O3 (tartaric acid) (Pyruvic acid)
It is an acid, of course. That is why it is called tartaric acid.
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what optical isomers of tartaric acid
Optical isomers are those which have one or more asymmetric carbon atoms their optical activity means a tendency to rotate the plane of plane polarized light but some of such molecules have an internal symmetry as meso form of Tartaric acid , this is the optical isomer of Tartaric acid but is optically inactive.
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l ascorbic acid and d ascorbic acid are optical isomers of each other. Optical isomers have the same physical and chemical properties but bend the plane of polarisation of polarized light in different directions.It is also called ChiralitySee the related link for more info on optical isomers.
These are not optical isomers they are functional group isomers a subcategory of structural isomers.
Lactic acid has two optical isomers: L-lactic acid and D-lactic acid.
tartaric acid
on heating the tartaric acid, the tartaric acid forms a keto acid which is known as pyruvic acid C4H6O6 ------KHSO4/heating------> C3H4O3 (tartaric acid) (Pyruvic acid)
It is an acid, of course. That is why it is called tartaric acid.
Tartaric acid is present there. Its also present in grapes. Tartaric acid is present there. Its also present in grapes.
Yes, Tartaric acid is a compound.