For each structure, circle the circle the letter that corresponds to the MORE deshielded H. If...
Can
you please explain why
For each compound below, circle the letter which corresponds to the best description of its reactivity in electrophilic aromatic substitution (a) More reactive than Ph-OMe (b) More reactive than Ph-O-CO-Me but less than PhoMe (c) More reactive than Ph-H but less than PhO-CO-Me (d) Less reactive than Ph-H but more than Ph-CO2H (e) Less reactive than Ph-CO2H a a b b c c d d e e 16. 17. 18. 19. Ph-NH2 is Ph-N"Mez is...
11). (12 pts) For each pair of nucleophiles, CIRCLE the one that is more nucleophilic, and provide a short explanation for your choice. A) CH.CH.CH OH and CH CH CH NH B) CH-OH and C H-O"Nat C) I and Br" D) (CH-CH2),P (Triethylphosphine) and (CH-CH2),N (triethylamine)
How is proton Ha more deshielded than proton
Hb
7.30 7.487.44 - 7-724 7.72 H Ha 8.32 57:46 7.49 8:36 8.0 Proton to which would be more at lughes ppm will be less lower ppm. is attached to anthracene. deshielded and this. while the Hy proton deshielded. Hence at
in this section (6 points each). 1. From the hydrocarbons below, circle the letter of the struc spectrum. ture corresponding to the H-NMR yO .8 PPM 2. Circle the letter of the compound below which best corresponds the IR spectrum provided. 20 0s0 290 160 HO OH Mar pec (showing onthe most n C B A a000 1000 -N 6. The structures of four naturally occurring compounds are shown below. Arange the compounds in order of increasing A in the...
Be sure to show all your calculations and circle the appropriate letter as needed. You are only required to answer 12 of the following 19 questions. You must answer question #2, #5, #6, #7, and #15, the other 2 are your choice. If you complete more than 12 questions, cross out those you Do Not want me to grade. (YOU MUST LIST at the "Do Not Grade: " above, on the provided lines“ "the I problems you cross out and...
1. Each of the following to structures corresponds to one of the H NMR spectra below Rodrow each structure next to the appropriate spectrum and use letter codes to designate the chemically equivalent hydrogens Label each peak on the spectrum with the appropriate letter code NAME: SSID 2H STRUCTURE: group 4H total pu зні STRUCTURE: 2H 1H 2H 6H STRUCTURE: 4H 6H STRUCTURE:
1a. For this question, select the LETTER of the structure that corresponds to the given Fischer projection. Select "NONE" if none of the structures are correct. но -н но-Ен нон он сн он CH2OH ни он СН2ОН Они — он он на он ин н но Он на и он н нон нон 1- — о сн,он СН2ОН но он Онон ХОН н на но Он ни ин нон 1b. For this question, select the LETTER of the structure that...
2) For each of the acids, indicate which proton is more acidic, A or B. Circle the more acidic proton in the structure. Explain your reasoning in one or two sentences (no more!) using a conjugate base stability argument. a. A Fo НО. OH B b. A -H NOH B
need more help on compound L
Practice - 1) How many signals would you expect in the 'H NMR spectrum of each of the following compounds? OH Compound A= Compound B = ? Compound C= Compound D = OCH heyat yol why Compound E = Compound F = Compound G = Compound H= O OH Compound I = — Compound J= = Compound K= Compound L= - 2) Circle the H in each of the above compounds that is most...
The structure of aspartame is shown below. OH H NH, Identify the functional group represented in each box. B D OH O N H 211. o NH||6 A с A: B: c: D: Proctorio is sharing your screen. Stop sharing Hide