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What is stereo isomerism?

Updated: 8/10/2023
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12y ago

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In chemistry, isomers are organic compounds with the same molecular formula but different structural formulas.

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Jimmy Mueller

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2y ago
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14y ago

Stereoisomers are isomers which differ from each other only in the 3D orientation of atoms (same elements bonded together the same way but a different shape). Stereoisomerism is a characteristic expressed by stereoisomers.

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11y ago

When all types of isomers are taken in general, they can be defined as the compounds with the same molecular formula but with different chemical and/or physical properties.

There are three main types of isomers; namely constitutional isomers, stereoisomers and conformational isomers.

Constitutional isomers have different bonding structures, hence they exhibit different chemical properties. Some examples are;

butane -- 1-methylpropane

pentane -- 2-methylbutane -- 2,2-dimethylpropane

and so on...

Let us now consider about stereoisomers, they have similar bonding structures, but the three dimensional arrangement is different. They show only altered particular physical properties.

Consider the compound CHClFBr.Draw one of possible structures with the central carbon atom, and the other bonds as desired.

Now swap any two bonds and draw the new structure. Now imagine about the superimposition of these two molecules in three dimensional space.

It is impossible (most likely the fact that we cannot superimpose our hands). Such carbon atoms in these compounds are known as 'chiral' and more formally as 'steriogenic'.

The cis-trans isomerism also belongs to the sterioisomerism. However, the necessity to show sterioisomerism in olefenic compounds is to have at least one pair of identical bonds in the two carbon atoms with double bonds.

These compounds can be recognized ONLY with polarized light.

The compounds which turn light clockwise is known as d-compounds and for the anticlockwise is known as l-compounds, (which are derived from the Latin words dextro and lacto).

Finally, we'll have a look at conformational isomers. As we know, atoms beside a bond can rotate as taking the bond line as its axis.

Hence the bonds angles would be differed every moment in most of organic compounds. Although there are infinite conformational isomers to a given compound, it is often practical to draw the most stable ones chosen from them.

If cyclohexane is considered as an example, the two different 'chair conformations' and the intermediate 'boat confirmation' are well recognized.

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11y ago

The continuous boiling and condensing of a substance without it boiling dry.

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12y ago

In chemistry, isomers are organic compounds with the same molecular formula but different structural formulas.

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14y ago

such compounds which similar molecular formula but have different behaviour towards plane polarise light called optical isomers & this phenomenon is called optical isomerism

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12y ago

Two or more compound having same molecular formula but different structural Formulas are called isomers and process is called Isomerism.

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10y ago

A position isomerism is an isomerism that is substituting atom. It is also known as a group occupies with different positions you cannot find this word in a free dictionary.

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12y ago

i don't know figa it out stupid :(

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Why does covalent compound exhibit stereoisomerism?

Because covalent bond is rigid and occurs in any direction.Because of its ability to orient in any spatial arrangement in space it exhibits stereo-isomerism which is also the property of stereo-isomerism.


What is Stereo-isomer?

Stereoisomerism is a type of isomerism were the atoms that are in the molecules are the same and there arrangement are the same but there spatial arrangements are different to eachother.


Where can you get good info on E-Z isomerism?

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What is the another name of geometric isomers?

Geometric isomerism also known as cis-trans isomerism or E-Z isomerism


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For Geometrical isomerism the free rotation about the bonds should be restricted so a double bonded or cyclic compound may show the geometrical isomerism.


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Yes


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