Unit 4.5 Organic chemistry II Recognise structural isomers, stereoisomerism as geometrical (cis-trans) or optical Explain the existence of geometrical (cis-trans) isomerism…

INTRODUCTION TO STEREOCHEMISTRY Isomers are compounds with the same molecular formula but not identical structures Constitutional isomers are isomers which have the same…

OPTICAL ISOMERISM • All molecules have a mirror image – but in most of the cases image and object are the same molecule. H H C C H H H H F F fluoromethane • For some…

+ AHL Organic Chemistry Syllabus + 20.1Prepare a student guide on naming of the following   6 C atoms MAXIMUM :-  Amine  Amide  Ester  Nitrile  Alcohol…

Introduction Before we jump to stereoisomers, let us quickly review what isomers are. Isomers are molecules that have the same molecular formula but differ in the way the…

AS Chemistry Unit 4: Organic Chemistry 1 Part 6: Bonding in methane, ethane and ethene (sigma and pi bonds) We have seen that cracking leads to the formation of alkenes.…

Write your name here Surname Other names Centre Number Candidate Number Edexcel GCE Chemistry Advanced Unit 5: General Principles of Chemistry II – Transition Metals and…

Chemistry in Action (Polymers) Polymers • Polymers are macromolecules formed by repeated joining of many small molecules. Polymerisation is the process of joining together…

Chapter–1 Chemistry of Carbohydrates 1. DEFINE CARBOHYDRATES. Ans. Carbohydrates are defined as aldehyde or keto derivatives of polyhydric alcohols. For example : Glycerol…

1. Carbohydrates: HETEROPOLYSACCHARIDES Dr. Anil Batta Associate Professor Department of Biochemistry G. G. S. Medical College and Hospital Faridkot 2. OVERVIEW 1. The are…