Describe how you could differentiate the compounds below using thrichloroisocyanuric acid (TCICI) test. Explain why you would see such difference for these compounds. Write the chemical equation for the reaction. COMPOUND A H COMPOUND B or COMPOUND C
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- Kiko, a Chem 31.1 student, accidentally shuffled two test tubes with different compounds on his way to the laboratory. To confirm the possible identities of the compounds, Kiko added neutral KMnO4 and Lucas reagents to both test tubes labeled A and B. Test tube A gave a brown precipitate in neutral KMnO4 while test tube B produced a purple solution in the same test. Upon subjecting to Lucas Test, both test tubes produced layers. Which of the following are the possible identities of the compounds A and B? a. Sec-butanol and 3-methyl-3-pentanol b. n-propanol and tert-butanol c. isopropyl alcohol and 4-nitrophenol d. hexanol and cyclopentanolE. TESTS FOR PHENOLIC COMPOUNDSPhenolic compounds such as phenol, salicylic acid, etc., give characteristiccolors with FeCl3 and Millon’s Reagent.1. Ferric Chloride TestAdd 5 drops of FeCl3 solution to 4 different test tubes containing 1 mL each ofdilute solutions of the following compounds and note the color obtained.a. Phenol _______________________________________________________________b. Salicyclic acid ___________________________________________________________c. Resorcinol _______________________________________________________________d. Picric acid _______________________________________________________________2. Millon’s TestPrepare another set of 4 test tubes containing 1 mL each of the solutions listedbelow. Add 3 drops of Millon’s reagent to each and place all the test tubes in aboiling water bath. Note the color formed.a. Phenol _______________________________________________________________b. Salicylic acid ___________________________________________________________c.…how to analyse alkaloids using Acid dye colorimetry method and HPLC method? Discuss atleast 5 sentences each
- a) From this flow chart, which acid is extracted when sodium bicarbonate is used as an extraction solvent? Explain, use knowledge of pKa, why this acid is extracted as opposed to the other acid present. b) What would be the end results if you first extract with NaOH, and then with NaHCO3? c) What would be the results after the addition of HCl to the NaOH extract and the NaHCO3 extracts?1. Explain the differences in melting point of these test compounds by relating with their structures and intermolecular or intramolecular forces of attraction: a. benzoic acid and salicylic acid b. p-aminobenzoic acid and salicylic acid c. oxalic acid and succinic acid d. succinic acid and malic acid Please provide link for citation.please don't provide handwrittin solution... Synthesis
- The pKas of chemicals HX and HY are 5 and 7 respectively. The pKa of carbonic acid H2CO3is 6. If you made up an ether solution of chemicals HX and HY in a separatory funnel, andthen added an aqueous solution of sodium bicarbonate NaHCO3 to that separatory funnel,would both HX and HY stay in the ether layer? Or would either or both of them transfer intothe aqueous layer? If one goes into the water layer, will it be in it’s neutral HX/HY form, or init’s deprotonated anionic form?An organic chemistry laboratory Extraction; the extraction of crude naphtalene- benzoic acid mixture. Naphthalene is a suspect carcinogen and is toxic to aquatic life. Find an alternative pair of molecules that adhere better to the principles of green chemistry and can be separated by extraction using green' solvents. (kindly answer fully)Q1: Give one lysis buffer that is commonly used for western blotting experiments and include its components Q3: To make sure that you used a similar amount of samples, what important step should be done before proceeding the electrophoresis stage? Q4. Why is it necessary to store the prepared lysates in a very low temperature?
- for a qualitative analysis of alydehydes and ketones, we used the iodoform test, tollens test, chromic acid tets, solulibilty in water test and the 2,4-DNP. Can an compount have positive results in all of the these qualitative tests? why or why not?What impurity was likely removed during the recrystallization necessary and was it effective and why do you think so using the prcedure belwo and the reaction provided. PROCEDURE Synthesis of Dibenzalacetone (A) In this lab you will need to determine the amounts of the reactants you will use. We will use 0.0125 moles of acetone. You need to: (1) convert this into a volume in mL, (2) Calculate the number of moles of benzaldehyde needed based on the balanced chemical reaction, (3) Convert the number of moles of benzaldehyde into volume in mL. Your reagent table should reflect your calculated values. Mix the benzaldehyde and acetone based on the volumes from your prelab calculations in a testtube. Add 25 mL of 10% NaOH solution to a 125 mL Erlenmeyer flask along with a stir bar and 20 mL of ethanol. Make sure the temperature of the solution in the flask is below 25 C before proceeding. Add half of the solution from your test tube to the flask. Allow the solution to…in the esterification synthesis of isopentyl acetate, why is CO2 produced during the extraction procedure afterthe addition of Na2CO3? Write a balanced equation of the reaction