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Circle the strongest acid in the following set of molecules. Provide a brief explanation (20 words max). a. H-C-H ČH3 H-N-H H-P-H H-S-CH, b. Circle the best nucleophile in each set of molecules. Assume in polar aprotic solvent. Provide a brief explanation for each set of molecules (20 words max for each set). Set 1 CH,S CH,0 CH,OH CH,SH Set 2 NH3 H20 CH,NH2 CH,OH C. Do the structures below constitute resonance forms? If yes, draw the arrows for the conversion of I to II, and Il to III. What is the most stable structure? Resonance? Yes / No If yes, draw arrows for the conversion of I to II, and Il to II OKay Circle the most stable structure II

Circle the strongest acid in the following set of molecules. Provide a brief explanation (20 words max). a. H-C-H ČH3 H-N-H H-P-H H-S-CH, b. Circle the best nucleophile in each set of molecules. Assume in polar aprotic solvent. Provide a brief explanation for each set of molecules (20 words max for each set). Set 1 CH,S CH,0 CH,OH CH,SH Set 2 NH3 H20 CH,NH2 CH,OH C. Do the structures below constitute resonance forms? If yes, draw the arrows for the conversion of I to II, and Il to III. What is the most stable structure? Resonance? Yes / No If yes, draw arrows for the conversion of I to II, and Il to II OKay Circle the most stable structure II

Organic Chemistry: A Guided Inquiry
Organic Chemistry: A Guided Inquiry
2nd Edition
ISBN:9780618974122
Author:Andrei Straumanis
Publisher:Andrei Straumanis
Chapter25: Enolate & Enol Nucleophiles
Section: Chapter Questions
Problem 4E
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Circle the strongest acid in the following set of molecules. Provide a brief explanation (20 words max). a. H- H-N-H H-P-H H-S-CH, CH3 CH3 b. Circle the best nucleophile in each set of molecules, Assume in polar aprotic solvent. Provide a brief explanation for each of molecules (20 words max for each set). Set 1 CH3S CH,0 CH,OH CH3SH Set 2 NH, H20 CH,NH2 CH,OH C. Do the structures below constitute resonance forms? If ves, draw the arrows for the conversion of I to II, and |l to III. What is the mnost stable structure? Resonance? Yes / No oka If yes, draw arrows for the conversion of I to II, and II to II Circle the most stable structure d. The following reagents could yield two organic products, one via substitution and one via elimination. Draw the structures of these two products. Is each of them formed via SN1 or SN2, E1 or E2? Substitution product Elimination product Br NaOCH3, CH3OH IV SN1 or SN2 E1 or E2 e. You isolate the elimination product from (d) and measure its absorbance by UV-Vis spectroscopy, finding a strong band in the ultraviolet region. Compared to the reactant (IV), which also shows a strong absorption band in the ultraviolet region, does the elimination product absorb at a longer, same, or shorter wavelength? Provide a brief explanation (20 words max).
Transcribed Image Text:Circle the strongest acid in the following set of molecules. Provide a brief explanation (20 words max). a. H- H-N-H H-P-H H-S-CH, CH3 CH3 b. Circle the best nucleophile in each set of molecules, Assume in polar aprotic solvent. Provide a brief explanation for each of molecules (20 words max for each set). Set 1 CH3S CH,0 CH,OH CH3SH Set 2 NH, H20 CH,NH2 CH,OH C. Do the structures below constitute resonance forms? If ves, draw the arrows for the conversion of I to II, and |l to III. What is the mnost stable structure? Resonance? Yes / No oka If yes, draw arrows for the conversion of I to II, and II to II Circle the most stable structure d. The following reagents could yield two organic products, one via substitution and one via elimination. Draw the structures of these two products. Is each of them formed via SN1 or SN2, E1 or E2? Substitution product Elimination product Br NaOCH3, CH3OH IV SN1 or SN2 E1 or E2 e. You isolate the elimination product from (d) and measure its absorbance by UV-Vis spectroscopy, finding a strong band in the ultraviolet region. Compared to the reactant (IV), which also shows a strong absorption band in the ultraviolet region, does the elimination product absorb at a longer, same, or shorter wavelength? Provide a brief explanation (20 words max).
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