Which is most likely dimeric structure?
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Which is most likely dimeric structure? Adick Submit to complete this assessment Question 20 of 2...
SpectrosceP . Which structure is consistent with this 'H Which stracture is most consistent with this c NMR spectrum? NMR spectrum? CA) CH CH CHCH-OCH CHyCHCH CCH CH,CH CNHCH CHjCH-CHCHy MR and "C NMR spectra? CH-OCCH (B) CH Q OH 4. Which structure is in agreement with these 'H CHy · The chemical shifts in the CHy-O-C-NH-CH2-CH DC NMR spectrum for 1 3 this compound are δ 15.8, 40.1, 51.8 and 170.2. Which is the correct set of chemical shifts...
2. Which of the following is not a likely Lewis structure for HNO3? Why? О: O O H-O N Н—О—N O o o o Н-о—N o o
please answer C and PLEASE do not forget the explanation C. Circle the most likely structure that corresponds to the IR spectrum: OH OH Explanation (be specific): Spectrum: ARVENUHERIA Infrared Absorption Bands Frequency (cm ) Intensity Type of Vibration C-H Alkanes -CH -CH- Alkenes (stretch) (bend) (bend) (stretch) (out-of-plane bend) (stretch) (out-of-plane bend) (stretch) 3000-2850 1450 and 1375 1465 3100-3000 1000 650 3150 3050 900-690 ca. 3300 2900-2800 2800-2700 Aromatics Alkyne Aldehyde 0-н 3650-3600 3400-3200 3400-2400 Alcohol, phenols Free H-bonded...
3. Which cyclohexane molecule would you consider to be the most stable? a.2 b. 1 c. 4 d. 3 4. The molecules below are: a. meso compounds b. structural isomers c. dual comformers d. diastereomers І- н -H Н — - " Н -Н Н Н 2 3 Н 4 Н Н -Н Н - H CH2OH ООН ОН ОН ОН CH,OH HO HO H CH,OH T HO H
QUESTION 49 Copy of Which type of atom is likely present in the mass spectrum below? 100- 80 Relative Intensity 20 O o tom 20 40 GO BO 100 140 360 180 200 220 120 m/z C Br N VULDTUNJU What is the most likely product of the reaction below? осна heat OCH NO, IV QUESTION 51 A Claisen reaction is when an enolate of an ester reacts with another equivalent of an ester. What is the product of this...
2) Which is the most reasonable structure for a compound with this IR spectrum? Wavelength, (um) 2.2 2.4 2.6 3 3,5 4 4,5 5 5,5 6 1 8_9 10 11 12 13 14 16 MAN 4600 4000 3500 3000 2500 2000 1500 Wavenumber, (cm) 1000 800 600 (A) (B) ОН CH3(CH2)4-C=C-COCH; CH(CH2)3-C=C-CHCH (C) (D) H-C=C-(CH2)4CCH3 CH3(CH2)4-CH=CH-CH 3) Which structure is consistent with following IR spectrum? * 2.527 3 Wavelength, (um) 3,5 4 4,5 5 5,5 6 6,5 7 8 9...
GO Tutorial: Predicting Resonance Structures 1.3 Which resonance structure contributes most to the overall resonance hybrid of this molecule? o +03 2 0 0 0 0
QUESTION 11 What reagents would be most useful in the following transformation? The complete set of conditions is not given just select reagents. OH TSCL HBr. Mg. CO2 TSCI, PBrz. Mg. CO2 Porz. Mg. oxirane, PCC Pory. Mg. CO2. LIATH, PCC QUESTION 13 What are the stereochemical configurations in the following molecule? CHO H CI H CI CH,OH (25, 35) (2R 35) (2R 3R) (25. 3R) TW What is the most likely product of the reaction below? 1. CH3NH2 2....
5. Which of the following single-stranded DNA sequences is most likely to form a stem-loop structure? a. GACCGTATGCACGGTC b. TCATAGGCGCCGTTCA c. GGATCACGTTACCGCC d. ATAAGATGGGAGCATG The structures below represent the 8 D stereoisomeric aldohexoses. Answer the following (6-7) based on this figure Si carbons ---OH H= =QH --OH H--OH CH,OH HO--- H=CHCH -- - OH CH,OH ---CH HỌC 6 -- - OH Chon D-Glucose HO-- H H -- - OH CH,OH -Marnese -- Hà QH HO--- - OH CHOH Giese HO--...
1. Which one of the following is most likely to be an ionic compound? A) CaCl2 B) CO2 C) CS2 D) SO2 E) OF2 2. Which one of the following ionic solids would have the largest lattice energy? A) NaCl B) NaF C) CaBr2 D) CsI E) CaCl2 3. Calculate the energy change for the reaction K(g) + I(g) → K+(g) + I – (g) given the following ionization energy (IE) and electron affinity (EA) values. IE K: 419 kJ/mol...