notes_14C_introreview

notes_14C_introreview - Introduction and Review 1) A Brief...

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Introduction and Review 1) A Brief Introduction (source: Lecture Supplement: Introduction and Review, pg 1) a) Organic Chemistry-focuses on carbon containing molecules b) Special Properties of Carbon: Able to form stable chains and rings Basis of life (important to biology) 2) Molecular Structure (source: Lecture Supplement: Introduction and Review, pg 2) Molecular structure has two components: Electron distribution (bonds) Positions of atoms in space Representing Molecular Structure: Drawing Diagrams Carbons are not drawn-in Hydrogens are omitted if carbons are not shown Any other atom is shown by its symbol Lone pairs are not always shown Formal Charges are always written-in Solid wedges indicate that the bond is pointing out of the page Hatched wedges indicated that the bond is pointing into the page Example 1) a) Label all of the missing hydrogens in Vitamin E b) Count the lone pairs c) Give the formula Vitamin E without hydrogens a) Vitamin E with hydrogens O CH 3 C H 3 O H C H 3 CH 3 CH 3 CH 3 C H 3 CH 3 O CH 3 CH 3 O H C H 3 CH 3 CH 3 CH 3 C H 3 CH 3 H H H H H H H H H H H H H H H H H H H H H H H H
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F.C= V-(L+1/2 B) b) 4 lone pairs- two pairs on each oxygen c) Formula: C 29 H 50 O 2 3)
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This note was uploaded on 07/27/2009 for the course CHEM 14C-14D taught by Professor Hardinger during the Fall '08 term at UCLA.

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notes_14C_introreview - Introduction and Review 1) A Brief...

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