Sample Questions on Stereochemistry

Q1. Compounds with different atomic configurations in space but the same atoms are bonded to each other are said to as having

a) stereoisomerism

b) functional group isomerism

c) chain isomerism

d) position isomerism

Answer: a) stereoisomerism

Q2. Which of the following alkanes have the ability to show optical activity?

a) Neopentane

b) Isopentane

c) 3-methylpentane

d) 3-methylhexane

Answer: d) 3-methylhexane

Q3. What is meant by Chelate effect?

Answer:

Chelate effect is a process in which a bidentate or polydentate ligand containing donor atoms, positioned in such a way that they coordinate with central metal ion. As a result a five or six membered ring is formed and the complex becomes more stable. For example- the complex of Ni2+ with positive ion is more stable than NH3 .

Q4. Who is the father of stereochemistry?

Answer:

J.H. Van’t Hoff is called the father of stereochemistry.

Stereochemistry

Stereochemistry involves the study of the arrangement and structure of atoms in molecules in the 3D space. This arrangements of atoms are responsible for the complex formations of the molecules. It plays a significant role in drug developments, bio chemistry, study of enzymatic catalysis etc.. This article will discuss stereochemistry, its types, methods of determination, applications and other facts related to it in detail.

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What is Stereochemistry?

Stereochemistry is an important part of organic chemistry. It involves the studies and process of spatial arrangements of atoms in three dimensional space and understanding their structures in molecules. These atoms must be arranged in a scientific way, not randomly, as they have effects on the properties of molecules. It is also known as the chemistry of space. The term “stereochemistry” originated from the Greek word “stereos,” which refers to the hardness, three-dimensionality, etc. of a compound. It is also indirectly related with inorganic, biological and physical chemistry. Stereoisomers are compounds of stereochemistry, with the same molecular formula but different arrangements of atoms....

Stereoisomers

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What Is Chirality?

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Methods of Determining Stereochemistry

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Stereoselectivity and Stereospecificity

Stereoselectivity and stereospecificity are important concepts of organic chemistry. These concepts describe the selectivity and specificity of reactions in stereochemistry. Stereospecific reaction leads to the stereoselective reaction of molecules to form stereoisomer. As the two terms quite similar, it becomes difficult for students to remember which one is of which concept....

Applications of Stereochemistry

Stereochemistry is an important part of chemistry. It has wide range of applications in the fields of organic chemistry, bio chemistry, researches, pharmaceutical sector. It is particularly important in the study of the structure of molecules in space and its impact on various scientific fields....

Conclusion

In the simplest terms of organic chemistry, the stereochemistry deals with the spatial arrangements of atoms in 3D space. It also involves the study of structures of these atoms in molecules. Stereochemistry can be determined by several methods such as polarimetry, optical rotation, X-ray crystallography etc. In modern chemistry, the stereochemistry remains of paramount importance across various fields, with its applications spanning from drug development to bio chemistry, from environmental chemistry to nanotechnology. Its importance can be determined by its ability to provide a clear understanding of molecular structure and function, and thus helping the researchers to discover solutions of wide range of sociochemical challenges....

Sample Questions on Stereochemistry

Q1. Compounds with different atomic configurations in space but the same atoms are bonded to each other are said to as having...

Frequently Asked Questions on Stereochemistry

What is chirality?...