Organic Chemistry I: CHE 255 Test 1 Review Sheet, Exams of Organic Chemistry

Download Organic Chemistry I: CHE 255 Test 1 Review Sheet and more Exams Organic Chemistry in PDF only on Docsity! Phillips CHE 255 Organic Chemistry I Test 1 Review Sheet General details. • 20 questions, mixture of multiple choice and short answer • 3 questions directly from homework problems • No questions from the ACS study guide • You will not need a calculator • You will be provided with the following resources: periodic table, pKa table, IR table, 3 extra sheets of paper. Specific details. • Be able to use the periodic table o Electronic structure of elements o Periodic trends such as electronegativity, atomic size, and polarizability o Determine valence electrons for a given atom, important in drawing proper Lewis structures and determining formal charge • Be able to draw proper Lewis structures, calculate formal charges, and identify resonance structures • Define constitutional isomers, and be able to draw all the isomers of a given molecular formula • Be able to convert readily between condensed formulas, bond-line formulas, and Lewis structures • Using VSEPR theory, be able to give the geometry and bonding angles for Lewis structures, i.e. CH4 is tetrahedral with a bond angle of ~109.5º • Be able to identify elements of different electronegativity, polar bonds, and label polar bonds with a δ+ and δ- over the appropriate element; be able to determine if a molecule is polar and has a dipole moment • Be able to identify the hybridization of C, N, or O in a structure • Understand how hybridization of an atom can affect the bond lengths and bond strengths in a structure • Define hydrocarbons and what makes them saturated, unsaturated, and aromatic • Know the names for the straight chain alkanes from 1 to 12 carbons and the common branched alkyl groups from the class handout • Be able to determine if an alkyl halide, alcohol, or amine is primary, secondary, or tertiary, and be able to name simple structures using either common names or IUPAC rules • Be able to identify functional groups [halide, alcohol, amine, ether, aldehyde, ketone, carboxylic acid, ester, amide, nitrile, aromatic, alkene, alkyne] within a larger structure • Be able to describe and rank the common intramolecular forces regarding their relative importance to physical properties and solvent solubility, remember “like dissolves like”