Pease indicate the compound that best fits in the blank of the separation scheme below. OH HO. H2N' Benzoic Acid Biphenyl Benzocaine Phenol benzocaine phenol biphenyl benzoic acid dissolve in ether; extract with aqueous 19) ether aq 20) CO-(g) H2O HIDDEN COMPOUND 1 HIDDEN COMPOUND 2 HIDDEN COMPOUND 3 trace 21) HCI aq NaCl 22) H2O Which of the following is the best choice for blank 21 in the given separation scheme? H2SO4 pentane HCI O NaHCO3 O H20

Pease indicate the compound that best fits in the blank of the separation scheme below. OH HO. H2N' Benzoic Acid Biphenyl Benzocaine Phenol benzocaine phenol biphenyl benzoic acid dissolve in ether; extract with aqueous 19) ether aq 20) CO-(g) H2O HIDDEN COMPOUND 1 HIDDEN COMPOUND 2 HIDDEN COMPOUND 3 trace 21) HCI aq NaCl 22) H2O Which of the following is the best choice for blank 21 in the given separation scheme? H2SO4 pentane HCI O NaHCO3 O H20

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Pease indicate the compound that best fits in the blank of the separation scheme below. OH H2N Benzoic Acid Biphenyl Benzocaine Phenol benzocaine phenol biphenyl benzoic acid dissolve in ether; extract with aqueous 19)_ ether aq 20) CO,(g) H2O HIDDEN COMPOUND 1 HIDDEN COMPC HIDDEN COMPOUND 3 trace 21) |6.0 М НСI aq 22) NaCl H20 Which of the following is the best choice for blank 22 in the given separation scheme? phenol O benzocaine O biphenyl water O benzoic acid
Pease indicate the compound that best fits in the blank of the separation scheme below. OH H2N Benzoic Acid Biphenyl Benzocaine Phenol benzocaine phenol biphenyl benzoic acid dissolve in ether; extract with aqueous 19) ether aq 20) CO:(g) H2O HIDDEN COMPOUND 1 HIDDEN COMPOUND 2 HIDDEN COMPOUND 3 trace 21) 6.0 M HCI aq 22) NaCl H2O Which of the following is the best choice for blank 20 in the given separation scheme? sodium phenolate benzocaine sodium benzoate O benzoic acid phenol
Pease indicate the compound that best fits in the blank of the separation scheme below. OH HO H2N Benzoic Acid Biphenyl Benzocaine Phenol benzocaine phenol biphenyl benzoic acid dissolve in ether; extract with aqucous 19) ether aq 20) CO-(g) H2O HIDDEN COMPOUND 1 HIDDEN COME HIDDEN COMPOUND 3 UND 2 trace 21) |6.0 М НС1 aq 22). NaCl H2O Which of the following is the best choice for blank 19 in the given separation scheme? O H2SO4 O H20 O NaHCO3 O pentane O HCI
Annotate the Mass Spec, 1H NMR, and 13C NMR for C4H11N or Butylamine Annotate the Mass Spec, 1H NMR, and 13C NMR for C4H8O or Butraldehyde Annotate the Mass Spec, 1H NMR, and 13C NMR for C5H8O or Cyclopentanone Thanks :)
The leaves of the Brazilian Tree Senna multijunga contain a number of pryidine alkaloids that inhibit acetylcholinterinase. Two recentyl isolated isomeric compounds have the strcture have the strcture shown below. (NOTE: M=293) Use the mass spectral data provided to determine the precise location of the hydroxyl group in each isomer. Isomer A: EI-MS, m/z(rel. int): 222(20), 150(10), 136(25), 123(100) Isomer B:EI-MS, m/z(re;. int): 236(20), 150(10), 136(25), 123(100)
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Compound E (C,H,0,) is a neutral solid. Its mass spectrum shows a molecular ion at mlz 138 and prominent peaks at M-1 and M - 17. Following are IR and 'H-NMR spectra of compound E. Deduce the structure of compound E. Micrometers 14 15 2.5 100 8 10 12 13 20 90 80 70 60 50 40 30 20 10 Compound E 4000 3600 3200 2800 2400 2000 1800 1600 1400 1200 1000 800 600 400 Wavenumber (cm-1) Transmittance (%)
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Absorbance In an analysis of herbal medicinal compounds, Glycyrrhizin, cinnamic acid, and cinnamaldehyde are analyze in UV-vis absorption spectrometer indiviually (individual spectra shown in Fig 2), and a mixture of the three compounds are separated in HPLC (conditions given in Fig 3 caption), monitored with two UV detectors at 254 nm and 285 nm (chromatograms in Fig 3). Wavelength Glyamhien marker compounds. 2 ppm: cimuamaldehyde. 2 ppm. Cinnamic acid HO HOOG HO НО Cinnamaldehyde Figure 2 The photodiode array UV spectra of Chinese herbal medicine glycyrrhizin. 10 ppm: cinnamic acid. HOOC HO Q OH OH Absorbance MAU 10- 88 0 Figure 3. ثلث 10 B B 12 C Retention time (min) 254 nm 285 nm 18 Gradient separation of a mixed standard solution containing glycyrrhizin. cinnamic and cinnamaldehyde at concentration of 10, 2 and 2 ppm respectively. Conditions: Zorbax SB-C18. 4.6 x 12.5 mm guard column + 4.6 x 250 mm analytical column, 5-um dp: ACN: 25mM phosphate buffer pH 3.0. 1 mL/min: 20 °C: inj…