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 follo...
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
& For each pair of species, predict which is the stronger base? NH (6) & Rank the following from most stable to least stable. CH ON CH₂CH CH₂CH2
7) Which of the following is not an acceptable resonance structure of I? он ОН он он н В. D. E С. A. char 8) Which structure makes the largest contribution to the resonance hybrid? rean cente in an S rdon +CH CH CH CH CH сH CH CH СH Cн E. CH2 +CH2 CH2 CH2 В. A. С. D. 9) Which compound is the expected product of this reaction? OCH, heat А. В. С. D. E.
1. From the following reaction, CH,6:9 HO – CH3OH + Họ methoxide water methanol hydroxide a. choose the Bronsted-Lowry base and its conjugate acid b. choose the Bronsted-Lowry acid and its conjugate base 2. What is/are the product(s) of the following reaction? 3. Identify the most acidic and least acidic protons in this organic compound. 4. For the following pairs, choose the strongest acid: a. HgS* vs H:S b. H2S vs H Se H₂C=NH2 HC=NH (6) 1 5. For each...
What is the major product of the following reaction? Hy(excess) Lindlar's cat. A B D Ос B A D What is the major product of the following reaction? Cl2 Н,0 НО СІ. A \ Он С В с D CI CI ОН ОН Ов ОА D с What is the major product of the following reaction? CH3 нс Н сH,CH, NaNH2 DMSO Br А В CH3 CHCH3 9 CH3 с CH,CH H4C. D нс CH2CH3 CH3 "NH, нс Сн HECH...
2) Order the following alkenes from most stable to least stable Нас Нас с-сн, н,с Hас +C- Нас н CHs -CH3 H Hе most stable least stable (a) I (b) I (c) I ll (d) 7) Order the following C-H bonds from strongest to weakest. strongest weakest (a) (b) (c) II (d) 8) Which of the following is represents the lowest energy transition state for the addition of BH, to 2-methyl-1-propene? quCH «сHs нСи Нас (b) (a) Нив--н H H...
1. Use VSEPR theory to predict the molecular geometry for each of the following molecules, indicate whether each bond in it is a a or m bond, and provide the hybridization scheme for each non-hydrogen atom а. Н.С %3 снCH %3D CH, b. (носн»),С(СH,)соон с. CH,соосH(CHә)сн — снс 3D ссн, e. (CH3),СHCH,CH(NH,)C0OH d. CH,онсH(NH,)соон 2. Write the resonance structures and resonance hybrid for each of the following ions. Use curved arrows to show the shifts in electrons. ь. CH3 d....
Which of the following structures is not a phosphoester? (А) NH (В) Ос "CH₂ НО-Р-он о О н ни ОН ОН ОН (c) NH (D) N О о" 9-ро Od-o CHz но-р-оснусн; H он Онон Select one (А)
1. Rank the alkyl halides in each group in order of increasing E2 reactivity. a. Br Br Br I П III b. Cн, Br Нас CI CH3 П III Rank the alkyl halides in each group of problem one in order of increasing El reactivity. 2. Which elimination reaction in each pair is faster? (I or II) 3. а. сн, Нас. Он Он II. b. HO DMSO он (CH),CCI (CH),CCI П. I. Н.о What alkenes are formed from each alkyl...
11. Indicate the order of stability CH н сн. Br CH сH, На н н. Br H H н н" Br н H н н н' Br н A В C D 12. Which of the following structures does NOT have tetrahedral geometry around any of its central central atoms. Use resonance to help explain A. В. с. D. = NH2 13. Is it theoretically possible to separate the pair of compounds below by distillation? Explain briefly CH CHs Br...