http://web.utk.edu/~adcock00 Dr. Adcock Has a Web Page http://web.utk.edu/~adcock00 Look there for All Informational Needs This class will use a Classroom Response System by TurningPoint. Register your ?ResponseCard? at your Blackboard Site. Abbv. Lecture Notes Can Be Downloaded from Any Internet Enabled Computer! e-mail: email@example.com Chemistry 110 Bettelheim, Brown, Campbell & Farrell Ninth Edition Introduction to General, Organic and Biochemistry Chapter 10 Organic Chemistry Lewis and VSEPR Bonding C Carbon has 4 covalent bonds & no unshared pairs! The Octet rule & Predicting Bond Angles Nitrogen has 3 covalent bonds & one unshared pair! N Oxygen has 2 covalent bonds & two unshared pairs! O Halogens have 1 covalent bond & three unshared pairs! Cl If all bonds are single, angles are ~109.5E VSEPR Model and Predicting Bond Angles CC H H H H H H ethane, 109.5 CN H H H H H methylamine, 109.5 CO H H H H methanol, 109.5 CN H H H methyleneimine, 120 CO H H formaldehyde, 120 CCHH acetylene, 180 CNH hydrogen cyanide, 180 CC H H H H Cl H ethyl chloride, 109.5 ethylene, 120 CC H H H H Functional Groups Functional Groups determine reactivity! ?They are sites for chemical reaction. A particular functional group undergoes the same type of chemical reaction, in any compound! ?They are the units by which we divide organic compounds into classes. ?They serve as the basis for naming organic compounds. Functional Groups Functional Groups determine reactivity! methanol, 109.5 CO H H H H the alcohol functional group CO H C H H a primary alcohol CO H C C H a secondary alcohol a tertiary alcohol CO C C C H Functional Groups Functional Groups determine reactivity! methyl amine, 109.5 CN H H H H H the amine functional group a primary amine CN H C H H H a secondary amine CN H CC HH a tertiary amine CNCC CH H Functional Groups The Carbonyl Group, 120E angles C O Aldehydes and Ketones Functional Groups Aldehydes & Ketones C O H Aldehydes C O C C Ketones C O H H methanal formaldehyde C O H 3 C H ethanal acetaldehyde C O H 3 C CH 3 propanone acetone dimethyl ketone Functional Groups The Carboxyl Group, 120E& 109E angles Carboxylic Acids and Esters C O O Functional Groups The Carboxyl Group, 120E& 109E angles C O O carboxyl group C O O H carboxylic acid C O O CH 3 (methyl) ester C O H 3 C O H acetic acid C O H 3 C O CH 3 methyl acetate -COOH -COOCH 3 Writing Chemical Formulas CC H H H H HH H H H H CC C O C O H H H H CC H H H H H OH Lewis Structures CH 3 CH 2 CH 2 CH 3 CH 3 CH 2 OH CH 3 COOH Condensed Structural Formulas Adcock Microsoft PowerPoint - BBM Ch 10 all.ppt
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