Organic Chemistry

What is the difference between stereoisomers, optical isomers and enantiomers?

Stereoisomers:- these are the compounds that have same molecular formula but different arrangement of atoms in the space. Optical isomers:- the compunds that have same molecular formula but they rotate the plane polarised light to the different side, right side-dextrorotatory and left levorotatory. Enantiomer:- these are the compounds that are mirror images of each other […]

Why the diastereomers of optically active compounds are optically inactive?

Firstly let us discuss what are optically active compounds? These are the compounds that rotate the plane of polarized light. Now Diastereomers are basically mirror images of two optically active compounds. They rotate the plane of polarized light, either to the left side or to the right. If they are present together, they cancel the […]

Some important terms

1. Co-ordination number Number of spheres touching one Sphere in a close packed structure is called co-ordination number of a lattice 2. Unit cell The smallest repeating pattern in a crystal lattice is called a unit cell. Characteristics of unit cell Are unit cell has a characteristic dimensions along the three edges a,b,c and interfacial […]

What is aldol Condensation ?

Ald + ol Ald- Aldehyde ; ol – Alcohol. As the name suggests , this is a type of reaction which involve the formation of such a molecule which have “alcohol and aldehyde” functional groups.

What is Perkin reaction ?

Perkin reaction This reaction is used in the synthesis of β-aryl-acrylic acid. This reaction is mostly used for the prepration of cinnamic acid. Coumerin, a flavouring agent is also prepared by this method.

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