become expert | help | login
refer a friend - earn nickels!!
 advanced
originally posted here on IIT-JEE / AIEEE community   
Email  
Common names and geneva system
Tags: Engineering Entrance  |  Medical Entrance  |  AIPMT  |  CBSE, State Boards  |  IIT JEE  |  Organic Chemistry  |  CBSE Class 11  |  CBSE Class 12
  « Back to Content












Common names and geneva system
(ii) The name of a complex radical is considered to start with the first letter of its complete name.
Example :



(iii) In cases where names of complex radicals are composed of identical words, preference for citation is given to that radical which contains the lowest locant at the first cited point of difference in the radical.
Example :



If two or more side chains are in equivalent positions the one to be assigned the lower number is that cited first in the name.
Examples :



If LPCC’S of equal length are competing for selection as main chain in a saturated branched acyclic hydrocarbon, then the choice given in following order to number of side chains with Lowest sumrule.
(a) Choose LPCC which follow lowestsum rule.
Example:



(b) Choose LPCC whose side chains have the lowest-numbered locants.
Example:





     |     

 
  Electricity and Effect of Current      Centre of Mass      Work Power & Energy      Magnetic Effects of Current      CBSE Prelim-2009 Answers      AIEEE 2009 Solutions and Analysis      English Core-XII Sample Test Paper      Function Theory      Basis of Inheritance      Business Studies -XII Sample Test Paper      Chemical Bonding      Group I A      Integration Theory      Organic Chemistry Basic Concepts      Applications of Derivatives      Informatics Practices (065) Sample Question Paper -III      Inorganic Chemistry Group VI A      Properties of Matter      Heat & Thermodynamics      Disha - Path to Success Series     
 



Sponsored Links