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8 (7 pts) Which of the following pieces of glassware is best used for the process...
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IlI. Preparation of Synthetic Eugenol (10 pts) Eugenol, the main component of clove oil, can be prepared from heating 2-allyl guaiacol (in the absence of oxygen) to temperatures>205 °C. In practice, however, it is most cost effective to extract eugenol from cloves, its natural source. Given a weight percentage of eugenol in cloves at-15%, calculate the minimum mass of cloves one needs to obtain 1.00 g of eugenol as product? Report your answer below. Show your...
need work and answers
IlI. Preparation of Synthetic Eugenol (10 pts) Eugenol, the main component of clove oil, can be prepared from heating 2-allyl guaiacol (in the absence of oxygen) to temperatures>205 °C. In practice, however, it is most cost effective to extract eugenol from cloves, its natural source. Given a weight percentage of eugenol in cloves at-15%, calculate the minimum mass of cloves one needs to obtain 1.00 g of eugenol as product? Report your answer below. Show your...
1. which of the following are not absorbent for TLC? a. magnesium silicate b. polyamides c. silica gel-F ( fluorescing indicator added) d. starch e. alumina f. none of the above 2. select the best answer from the statements below about thin layer chromatography A. in normal phase thin layer chromatography the stationary phase is polar silica gel b. in normal phase thin layer chromatography the mobile phase is an organic solvent or a mixture of organic solvents Which is...
Question 1 Which of the following is the advantage of straight packed column? Selected Answer: It can be repacked easily Answers It can be packed uniformly It can be repacked easily It is compact It is easier to heat it evenly Question 2 Which of the following statements most accurately describes thin-layer chromatography? Selected Answer: technique used to separate non-volatile mixtures, the mobile phase has different properties from the stationary phase. Answers The mobile phase is the solvent also called...
2. If two different compounds have the same Rr value, how might they be identified using paper chromatography? 3. Why is it important to keep the spots on the paper as small as possible? 4. If the solvent pool at the bottom of the beaker touched the spots on the 1.5cm line, what would happen to the spots? How would you address this error? 5. If you were teaching a student how to do paper chromatography, what three pieces of...
D Question 2 2 pts Which reagents would be best used to perform the following transformation? Time Runn 43 Minute OOH 1) 1. H+ ЛОН HO 2. Mgº 3. CO2 4. H30 2) 1. MeMgBr 2. H307 3. H2SO4 3) 1. NaHCO, 2. H30* 4) 1.HHO OH | 5) 1. HCN 2. CrOz/H20 2. CrOy/H20 3. H307 03 5 Predict the major product of the following reaction. & Hochs H" (eat) H3C 3) H3C -CH; 5) HyC-CH3 4) CH3 H3C-N-CH3...