1-)A reaction was run in which reagents A and B react to give product C. Below is a developed TLC plate containing three reference spots for compounds A, B, and C. a) Label each of the following compound below with the fraction (A,B and C) in which it will most likely be found on TLC plate. Explain vour selection briefly. b) Which compound interacts least with the stationary phase A, B,or C? c) Which compound can be eluted lastly if you decide to purify mixture of those three by using column chromatography?
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- 9. Benzoic acid is slightly more polar than acetanilide. Predict (draw) the resulting TLC plate (and all Rf values) if benzoic acid, a co-spot of benzoic acid and acetani- lide, and acetanilide were each run using a 1:2 hexanes:ethyl acetate solution. Label each spot.c. Often chemists are synthesizing a new molecule, we can only compare the reaction mixture to the starting material. According to the following TLC plate, is the reaction complete? Why or why not? A: Starting material B: Reaction mixture A B4. Draw the chemical structure of the following compounds, and then arrange these compounds in order of increasing Rr on a TLC plate (1 lowest R; 4 highest R). Explain why the compounds will be arranged in that order. %3D %3! propanoic acid, 2-propanone, propane, 2-propanol
- N1. Which of the following molecule pair(s) could be potentially distinguished by TLC analysis?Fully explain what the data in IR and GC-MS spectra mean in the dehydration of 2-Methylcyclohexanol . GC-MS data (gas chromatography): Illustrated in picture *ignore peak at 8.87 minutes Peak 1 mass = 96.2 (1-methylcyclohexene) Peak 2 mass = 96.2 (3-methylcyclohexene) Peak 3 mass = 114.2 (impurity) IR Spectra (Infrared Spectroscopy): Illustrated in picture.Select the correct order of Rf values that you expect when monitoring the progress of the saponification reaction by TLC, using 1:1 Hexane/Ethyl acetate as the developing solvent. Rf (carboxylic acid)>Rf (alcohol)> Rf (ester) Rf (ester>Rf (carboxylic acid)>Rf (alcohol)) Rf (ester)>Rf (alcohol)>Rf (carboxylic acid)
- How would you interpret this IR spectra of fluorene? What I mean by this is which peaks let you know its fluorene and which peaks show impurities if any such as 9-fluorenone since this lab required a separation of fluorene and 9-fluorenone. Other impurities could be solid alumina and sand and the solvents of pet. ether and dichlormethane.5. ( Report the 1H data for phenylpyruvic acid (shown below). Note, you must draw the product and clearly identify which protons are being reported and report the data using the format of chemical shift, integration, multiplicity (e.g. Ha 8 1.0, 3H, triplet). Where applicable you must report the specific splitting patterns (not using "multiplet") e.g. doublet of doublets, singlet of quartet. osla OHCalculate the HDI of each FM and propose 2structures for two molecules that are isomers.Specify what the indicated absorption (s) shouldbe to.a.C7H15NO with strong absorptions in 3400, 3270and 1670, 1390, and 1370 cm-1b. C6H10O with absorptions in 2065 (m), 1685 (f),1650 (m) and 970 (f) cm-1c. C9H12O, with absorptions in 1600 and 1500 and1245 cm-1.
- BocHN, Surya was leaving the lab in a hurry and forgot to note which unknown he added. From the reaction scheme below and the GC-MS. Help Surya figure out whether he added the chlorinated compound, or the brominated compound to his reaction. Label the base peak and molecular ion peak. CH, NH₂ Br or Cl ♦ Relative intensity 100- 80- 60- 40- 8 Acetonitrile Water (9:1) 6h 100 BocHN, CH₂ 150 m/z 200 TFA DCM (19) 1h 250 H₂N.Using the information for each compound below, A, B, C, and D, and the TLC information, calculate the index of hydrogen deficiency for each compound, A, B, C, D and determine their structures. Indicate the meaning of each bit of information. Calculate the BEs for compounds A through G. Also give the structures of compounds E, F, and G. Compound A: CuHa (-)Bra, (+)KMNO, when heated "C NMR: 125ppm, 123ppm, 122ppm, 120ppm, 30ppm *HNMR: 7.7-7.5ppm complex splitting (2.5cm); 2ppm singlet (0.5cm) Compound B: C7H60 (+)Tollens, (+)KMNO, at room temperature, (-)FeCl,, (-)Br. 1°C NMR: 210ppm, 135ppm, 130ppm, 128ppm, 126ppm HNMR: 9.2ppm singlet (0.2cm), 7.8 - 7.3ppm complex splitting (1cm) Compound C: C10H1202 (-JBr2, (+)KMNO, at room temperature and when heated, (+) Lucas when heated "C NMR: 125ppm, 123ppm, 120ppm, 70ppm, 35ppm HNMR: 7.6-7.3ppm complex splitting (1.32cm); 4.4ppm broad lump (0.66cm), 3.5ppm triplet (0.66cm), 2.2ppm doublet (1.32cm) Compound D: C10H10 (+)Brz, (+)KMNO, at room…Please identify compound 1 and compound 2!!! Attached is the H-NMR and IR for both compounds (ignore the IR peaks ~2400). The experimental melting point for the aqueous layer was 260-261 celcius. The experimental melting point for the organic layer was 76.9-78.7 celcius. The following was my procedure: IntroductionThe reaction mixture in this experiment contains 4-bromobenzaldehyde, methanol, and aqueous potassium hydroxide. A reaction occurs that produces two organic compounds, compound 1 and compound 2. Both are solids at room temperature. Your task is to isolate, purify, and identify both compounds. A specific procedure is given for preparing the compounds, but you will need to work out the procedures for most other parts of this experiment.Experimental ProcedureThis procedure should produce enough of each compound to complete the experiment; however, in some cases, it may be necessary to run the reaction a second time. Although this experiment can be done individually, it works…