The dehydration of cyclohexanol can also be monitared by reverse phatseHPLC. The retention time for Compound 1 will:OHSulfuric acidheat1Select one:O a. be longer than that of compound 2 (Compound 1 wil come out of the columin lO b. be shorter than that of compound 2 (Compound 1 wilcome out of the colume festO c. be equal to that of compound 2 (Compounds 1 and 2 will come out at the same neO d. depend on the pH of the mobile phaseMacBook A

Answered: Image /qna-images/answer/3d956952-9b88-445d-950c-b4a7727a813e.jpg

The dehydration of cyclohexanol can also be monitored by reverse phese HPLC. The retention time for Compound 1 wil: OH Sulfuric acid heat 2 Select one: O a. be longer than that of compound 2 (Compound 1 will come out of the colui O b. be shorter than that of compound 2 (Compound 1 will come out of the colume ft O c. be equal to that of compound 2 (Compounds 1 and 2 wil corme out at the same depend on the pH of the mobile phase

The dehydration of cyclohexanol can also be monitored by reverse phese HPLC. The retention time for Compound 1 wil: OH Sulfuric acid heat 2 Select one: O a. be longer than that of compound 2 (Compound 1 will come out of the colui O b. be shorter than that of compound 2 (Compound 1 will come out of the colume ft O c. be equal to that of compound 2 (Compounds 1 and 2 wil corme out at the same depend on the pH of the mobile phase

Macroscale and Microscale Organic Experiments

7th Edition

ISBN:9781305577190

Author:Kenneth L. Williamson, Katherine M. Masters

Publisher:Kenneth L. Williamson, Katherine M. Masters

Chapter4: Recrystallization

Section: Chapter Questions

Problem 1Q

See similar textbooks

Similar questions

1. Ph ОН Н Ill OH Me 0.1 equiv TSOH CHCl3, rt, 30 min 0.1 equiv TsOH CHCl3, reflux, 30 min
7. Draw the structure of ethyl acetate and propyl acetate. Which substance is expected to have the shortest retention time and therefore elute first? Explain your reasoning. esnyi acefate Iyrlte to sTutxim 0a\0A 9rt 169ri of 19mud nen8 6 szu 9w n .d bLobsceste
а. ОН 1. TBSCI imidazole, CH2Cl2 A DMF, -18 °C to rt 2. NalO4, CH2Cl2 80% НО OH large excess
57% O P 6:01 Asiacell l. التجربة الرابعة - اول مسائي.pdf امتحان بالتجربة الرابعة المرحلة الأولى مسائي Answer these questions: Examination time: 30 min Q1// Complete these statements: 1- Titrand should be put in ..... 2- Indicator should be added to ..... 3- Titrand have known ....... and unknown ...... 4- Indicator is used to ........ 5- Titrant have known....... and unknown ......... 6- Titrant should be put in ... Q2// prepare 0.1 N standard solution of C,H204.2H;O in 50 ml of distilled water, using the law of molar concentration above, if the atomic weight of C = 12 0=16 H=1 Q3// Write these chemical equations: 1- Reaction of hydrochloric acid aqueous solution & sodium hydroxide aqueous solution 2- Reaction of sodium hydroxide and water 3- The net ionic reaction of (reaction 1) Assistant Professor/ Dr. Nidhal. Yousif. Mohammed
Table 1: Selected phytocomponents identified in the plant extract. Retention time, min Name of Compound 10.767 Benzaldehyde 15.790 Azulene 16.002 1-Piperazinecarboxaldehyde 17.935 Phthalan 20.731 2-methoxy-1,3,4-trimethybenzene 24.028 Methylesterpentanoic acid 26.993 Tetradecamethylcycloheptasiloxane 31.753 Hexadecamethyl Cyclooctasiloxane If GC is combined with MS, what data you will add as the 3rd column in Table 1 above. Fill in that data for each of the select identified phytocomponents.
h) a OE 1) "Buli/THF/t/1.5h 2) -SCH CH₂ /d/1h TICU CH₂C-780/15 min PPhy/1₂11 imidazole/THF o'℃-n acer
3. You are loading a protein gel that holds up to 50ul. You need to load 25ug of protein sample that is at a concentration of 8 ug/ul. You are mixing your sample with a 4x Laemmli Buffer prior to loading. How much of each component will you mix and how much of total volume will you load in the well? You-a- EL COL DDOT.no:
(DV 20 ml. of an aqueous solution of 2 mmol butyric acid is shaken with 10 mL ether. After the layers are separated, it was found that 0.5 mmol of butyric acid remains in the aqueous layer. Calculate "D" and "%E".
2. Look up the solubility data for benzoic acid in the solvent toluene. Is benzoic acid more or less soluble in toluene than water? Why? 3. What would be a disadvantage of using toluene in this experiment? J 2. Look up the solubility data for benzoic acid in the solvent toluene. Is benzoic acid more or less soluble in toluene than water? Why? 3. What would be a disadvantage of using toluene in this experiment?
O KINETICS AND EQUILIBRIUM Calculating the solubility of an ionic... Calculate the solubility at 25 °c of CaF₂ in pure water and in a 0.0200M NaF solution. You'll find ê data in the ALEKS Data tab. sp Round both of your answers to 2 significant digits. solubility in pure water: ㅁ은 solubility in 0.0200 M NaF solution: 0 60- 0 x10 X 0x0 1/3 00
The Handbook of Chemistry and Physics (http://openstaxcollege.org/l/16Handbook) gives solubilities of the following compounds in grams per 100 mL of water. Because these compounds are only slightly soluble, assume that the volume does not change on dissolution and calculate the solubility product for each. (a) BaSeO4, 0.0118 g/100 mL. (b) Ba(BrO3)2H2O, 0.30 g/100 mL. (c) NH4MgAsO46H2O, 0.033 g/100 mL. (d) La2(MoO4)3, 0.00179 g/100 mL
Chemistry H,N. CH, H,N. HO, но Phenylalanine (1) Tyrosine (2) H,C HN CH, H,C `CH, H,C но Triethylamine (4) N-acetyl-OMe-Tyrosine (3) All four compounds are dissolved in ethyl acetate. If you started by extracting the solution with 1 M HCI, which of the following compounds would end up in the aqueous layer? 4 12 Instead, you decide to start by extracting the ethyl acetate solution with 5% NaHCO3 (sodium bicarbonate). What will remain in the organic layer? 1 2 4