PPT-ALKYL HALIDES OR

HALOALKANES DHEERAJ GUPTA ALKYL HALIDES OR HALOALKANES An organic compound containing at least one carbonhalogen bond CX X F Cl Br I replaces H Alkyl halides are organic molecules containing a halogen atom bonded to an . Structures and Properties. Halogen is connected to a tetrahedral carbon. The carbon-halogen bond is polarized with the carbon having a partial positive charge and the halogen having a partial negative charge. . Competing Reactions. Alkyl halides can react with Lewis bases by . nucleophilic substitution and/or elimination.. C. C. H. X. +. Y. :. –. C. C. Y. H. X. :. –. +. C. C. +. H. Y. X. :. –. +. . Alkanes: Nomenclature, Conformational Analysis, and an Introduction to Synthesis. Shapes of Alkanes. “Straight-chain” alkanes have a . zig-zag. orientation when they are in their most straight orientation. Preparation of . Haloalkanes. . by Halogenation. Preparation . Aryl Chlorides . by . Electrophilic. Substitution. Halogen . Exchange. Free radical chlorination or . bromination. of . alkanes. gives a complex 287 . Structure. Ethers have two organic groups (alkyl, aryl, or vinyl) bonded to the same oxygen . atom.. R groups are identical = symmetrical ether. R groups are different = unsymmetrical ether. Oxygen is . Compounds. Chem. 108. Chapter 6. 1. An organic compound containing at least one . . carbon-halogen bond (C-X). X (F, . Cl. , Br, I) replaces H. Can contain many C-X bonds. Organic Halogen Compounds. King Saud University . Chemistry Department. 145 Chem. 1. 145 Chem. 2. King Saud University . Chemistry Department. CH. 3. -X and R-CH. 2. -X : Primary alkyl halide.. (R). 2. -CH-X : Secondary alkyl halide.. Ether. Chemistry 11. Ms. McGrath. Ethers. General formula: Ethers are organic compounds that have two alkyl groups joined by an oxygen atom.. R-O-R’, where R and R’ are two alkyl groups (they can be the same or different). Dr. . Shatha. I . Alaqeel. 108 . Chem. Learning Objectives. Chapter five discusses the following topics and by the end of this chapter the students will:. . . Recognize the structure and classes of alkyl halides. Chemistry Department, College of Science, King Saud University. http://fac.ksu.edu.sa/melnewehy. Organic Halogen Compounds. Classes and Nomenclature of Halogen Compounds. - Alkyl halides. , . R-X.. - Depending on the type of carbon to which the halogen is attached, . Amines are derivatives of ammonia molecules that contain a nitrogen atom bonded to one or more alkyl groups on each molecule.. . Many amines have strong, unpleasant odours.. . ex. putrescine. cadaverine. 18. Amines and Amides. Lecture Presentation. Chapter 18 Amines and Amides. Environmental health practitioners (EHPs) monitor environmental pollution to protect the health of the public. . By using specialized equipment, EHPs measure . Amines. may be considered as derivatives of ammonia, NH. 3. , in which . an alkyl or aryl group. has replaced one or more of the . hydrogen. . . Those . amines . that carry only alkyl groups are classified as . Department of Pharmaceutical Analysis. Chalapathi Institute of Pharmaceutical Sciences. The Structure of Benzene. Because each .  bond has two electrons, benzene has six  electrons.. In benzene, the actual bond length (1.39 .