Skip to main content


Some Definations

Substituent Atom (Group) An atom (group) that replaces one or more hydrogen atoms attached to a parent structure or characteristic group except for hydrogen atoms attached to a chalcogen atom. Ref:  IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. doi:10.1351/goldbook . doi:10.1351/goldbook.S06076    PDF Document Rearrangement A reaction which preserves the number of rings and number of skeletal atoms and in which the molecule rearranges so that one or more atoms or groups of atoms move from one atom to another.

la Petite-France

la Petite- France youtube पर देखें La Petit France Strasbourg 2008 by Kuldeep SIngh is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported License . Based on a work at My recorded video . Permissions beyond the scope of this license may be available at .




चिट्ठाजगत: धड़ाधड़ छप रहे चिट्ठों में खोजें" एकमात्र स्वर्णिम सूत्र यह है कि कोई भी स्वर्णिम सूत्र नहीं है। (The only golden rule is that there are no golden rules.) visit