NH or Et,P-H v soro PHz or H,S в с D E F Which compound in each pair will be the more powerful nucleophile? Structure A or B? Structure Cor D? Structure E or F?
(5) Let (N, A, д) be a complete measure spaсе (i.e. В € А, д(В) — 0, А с В — АЄ A, uA 0. Let f,g : 2 -> R* be a pair functions. Assume that f is measurable and that f g almost everywhere (a) Prove that g is measurable. (b) Let A E A and assume that f is integrable on A. Prove that g is integrable on A and f du g ар. A A (5)...
Which element has no unpaired electrons? 8 А. С В. В С. N D. Mg
For each pair of species, predict which is the stronger base? 5. Он or 1. 2. or В в NH NH (a) (b) 6. Rank the following from most stable to least stable. 2. 3. 4. Нас Н-с O H -н CH H CH,сH, сн,сн CH,CH 7. Which cation would be the most stable? А. В. C. D. What is the order of increasing contribution to the resonance hybrid? 8. CF3 ÇF3 CF3 I II III
COMPARING LEWIS STRUCTURES TO 2/SO 1 Н н — с - H N A В С D CHF3 CH2Cl2 (HO)2CO N3 Identify all instances in which the Lewis structure is correct. А В С D None of the Above
For each pair of species, predict which is the stronger base? 5. Он or 2. or HH 1. NH NH (b) 6. Rank the following from most stable to least stable. 4. 1. 2. 3. Н-с H H Н.с H -H H CH3 CH,сн, CH,сH CH,CH H 7. Which cation would be the most stable? А. В. C. D. What is the order of increasing contribution to the resonance hybrid? 8. CF3 Lnkentn CF3 CF3 Ш II I
OMe and and NH2 .NH2 ОMe and CI А C В For each pair of compounds above, state whether they are the same compound (S), enantiomers (E), diasteriomers (D), constitutional isomers (C), or completely different (X) А C B
For the reaction mechanism ki A> В В -> А k2 A>С k3 |В >D sketch a graph showing how the concentrations of A,B,C and D change over time. Consider the following cases 1) k1>k-1 and k2>>k3>>k1 2) k1k-1 and k1>>k2= k3 For the reaction mechanism ki A> В В -> А k2 A>С k3 |В >D sketch a graph showing how the concentrations of A,B,C and D change over time. Consider the following cases 1) k1>k-1 and k2>>k3>>k1 2)...
14. Which of the following is the correct scenario for refraction? A а. А b. В C d. D с.
Which compound is the stronger acid? F ОН F NH2 F А B -