Short Questions (3 points each)
1. Predict the sign of S of the following reaction: (answer in box)
2. Identify the electrophilic atom(s) in the following molecule. (draw an arrow to the atom)
3. Identify the electrophilic site in the fo
9.2 addition vs elimination: a thermodynamic perspective
Addition is favored at lower temperatures
Elimination favored at higher temperatures
Addition reaction when alkenes are treated with HX
o HX added across the pi bond
H is g
Chapter 6: Chemical Reactivity and Mechanisms
Understand reaction coordinate diagrams relating energy/enthalpy to reaction progress.
Be able to identify nucleophiles and electrophiles.
Know the basic electron arrow-pushing
Chapter 7: Substitution Reactions
1. Be able to recognize/define SN1 and SN2 reactions.
2. Differentiate SN1 and SN2 reactions on the basis of:
a. Concentration and reaction rate
b. Reaction mechanism (including electronic effects)
Addition Reactions of Alkenes
1. Be able to recognize or define an addition reaction
2. Apply the basic four reaction types to complete multistep addition reactions
3. Be able to convert an alkene via different reaction type
Chapter 8: Alkenes: Structure and Preparation via Elimination Reactions
Know the basic structure, nomenclature and stereochemistry of alkenes (this is review).
Know the relative stability of alkenes (remember: sterics and
Name: (Shut 4’ 7 Section: 16 1H 1R 15 2G 2H 2R 25
1. On the blank periodic table below, indicate the positions of the following
elements: Al, B, Br, C, Cl, F, H, 1, Li, N, Na, 0, P, 8, Zn.
2, How many bonds do each of the elements listed below typical
Chemistry 222 C Chemistry for the Biosciences III Fall 2015
130 Whitten Learning Center: MWF 10:10 11:00 AM & F 5:00 6:30 PM (Exam Period)
James N. Wilson, Cox 344
Office Phone: (305) 284-2619