6007552
Description
Flashcards by Hashala Fernando, updated more than 1 year ago
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Created by Hashala Fernando
over 8 years ago
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| Question | Answer |
| Conformations | Different arrangements of atoms that result from the rotation about C-C single bond. |
| Geometric isomers | have the same molecular formula and the same connectivity of atoms. differ in the arrangement of the atoms in space. |
| Geometric isomerism of Alkenes | two identical groups on the same side of the double bond -> cis two identical groups on the opposite sides of the double bond --> trans |
| E or Z designation for alkenes | used to assign priorities to the substituent groups on the double bond carbons. if higher priorities on the same side of the double bond, the alkene is designated Z. if on the opposite side, the alkene is designated E. |
| Cahn-Ingold-Prelog Sequence rule 1 | consider each double bond seperated. rank the 2 atoms directly attached toeach carbon according to atomic number. higher atomic number higher priority. |
| Cahn-Ingold-Prelog Sequence rule 2 | if a decision can't be made by ranking the first attached atom in the substituent, look at subsequent atoms until the fisrt difference is found. |
| Cahn-Ingold-Prelog Sequence rule 3 | multiple bonded atoms are considered to be equivalent to the same number of single bonded atoms. |
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