Question

difine
cahn-ingold prelog priority system
How to dtermine priorities give rules

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Answer 1

Cahn ingold prelog priority system

A priority that ranks groups attached to a double bonds.
it is also used in determining the absolute configuration and enantiomers either R-S configuration
RULES
★atom with higher atomic number recieves higher priority.
★For isotopes, the isotopes with high atomic weigh wins.
★if we have same atom , we move to the next atom.
★a double bond to carbon is considered as two single bonds.
★HOPE THIS WILL HELP U★

Answer 2

Definition of the Cahn-Ingold-Prelog Priority Rules. ... By using the CIP priority rules, it's possible to correctly prioritize each atom or group of atoms bonded to a specific carbon atom (stereocenter) within a molecule so that chemists can assign a designator to that specific carbon.

RULES

★atom with higher atomic number recieves higher priority.

★For isotopes, the isotopes with high atomic weigh wins.

★if we have same atom , we move to the next atom.

★a double bond to carbon is considered as two single bonds.