Chapter Name : Organic Chemistry - Some Basic Principles And Techniques |
Sub Topic Code : 102_11_12_06_02 |
Topic Name : Isomerism |
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Sub Topic Name : Stereoisomerism |
Isomers are compounds with the same molecular formula but different structural formulas.
Isomer
Aromatic compounds.
What is organic chemistry?
Key Words | Definitions (pref. in our own words) |
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Isomer | Isomers are compounds with the same molecular formula but different structural formulas. Isomers do not necessarily share similar properties, unless they also have the same functional groups. |
Gadgets | How it can be used |
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Alcohols | Alcohols (R-OH) take the suffix "-ol" with an infix numerical bonding position: CH3CH2CH2OH is propan-1-ol. The suffixes -diol, -triol, -tetraol, etc., are used for multiple -OH groups: Ethylene glycol CH2OHCH2OH is ethane-1, 2-diol. |
Study the nature of chemicals.
Chemistry laboratory.
Examples | Explainations |
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ketones | In general ketones (R-CO-R) take the suffix "-one" with an infix position number: CH3CH2CH2COCH3 is pentan-2-one. If a higher precedence suffix is in use, the prefix "oxo-" is used: CH3CH2CH2COCH2CHO is 3-oxohexanal. |
Stereoisomers are isomeric molecules that have the same molecular formula and sequence of bonded atoms (constitution), but that differ only in the three-dimensional orientations of their atoms in space.
In stereoisomers, the order and bond connections of the constituent atoms remain the same, but their orientation in space differs.
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