Which of the following statements about an SN2 reaction is true?
a. There are two transition states.
b. There is one energy maximum.
c. The transition state can be isolated and studied.
d. For a carbon electrophile in the transition state, the hybridization of an sp3 carbon remains unchanged.
e. The reaction rate does not depend on the concentration of the electrophile.
Question 2
Which of the following statements about an SN2 reaction is true?
a. the reaction occurs in two steps
b. rate = kRX
c. stabilization of R+ is important
d. the reaction causes racemization
e. the reaction is favored by aprotic solvents
Question 3
The bromination of an alkene using N-bromosuccinimde involves
a. the formation of a free radical.
b. a chain reaction mechanism.
c. a resonance stabilized intermediate.
d. maintaining the double bond in the alkene.
e. all of these
Before the stick is broken, it must first be bent (the transition state).
pupil light reaction
Condensation reaction
Wheals are formed in reaction to scratch testing and intradermal testing of allergens.
True Dover Sole
Anterosuperior view of true pelvis (blue)