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2. Give a reason why the redution reaction (with H2, Pt) of nitrobenzene to aniline is so important.
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- 1. What type of reaction explains the solubility of phenol in Sodium Hydroxide? Explain the organic product formed 2. How do the reactions of phenol samples with FeCl3 compare? Which structural component of the phenols account for the observation? 3. What compound is the precipitate formed in the Bromine water test? 4. Write the reaction formed in the formation of phenolphthalein. Identify the functional group in phenolphthalein , which is responsible for the indicator property. 5. What is the significance of Millon's test?1. Write the structure of the aminal or hemiaminal intermediate and the imine product formed in the reaction of Acetaldehyde and benzylamine, C6HSCH2NH2. 2. Write the structure of the hemiaminal intermediate and the enamine product formed in the reaction of 3-Pentanone and pyrrolidine. 3. Identify the alkene formed in the following reaction 'H. (CeHs)»P- 4. Predict the principal organic product for the following reaction. K2Cr2O7 H2SO4, H20 H. 5. What is the expected chemical shift for the aldehyde hydrogen in 'H NMR and aldehyde carbon in 13C NMR?1. A student wants to dry a solution of aniline in hexane. Which drying agent should he use for the task? Rationalize the choice. 2. If calcium oxide is used as a drying agent, what is obtained as a product? 3. Why is ill-advised to use P4O10 as drying agents for “wet” acetone?
- Write a balanced equation for the oxidation of p-xylene to 1,4-benzenedicarboxylic acid (terephthalic acid) using potassium dichromate in aqueous sulfuric acid. How many milligrams of H2CrO4 are required to oxidize 250 mg of p-xylene to terephthalic acid?Give a reason why reduction reaction (with H2,pt) of nitrobenzene to alanine is so importantWhat happens when the codeine molecule (C18H21NO3) is exposed to air? What reactions are obtained?
- Amino acids are metabolized by a transamination reaction in which the amino group of the amino acid changes places with the keto group of an a-keto acid; the amino acid and a new a-keto acid. Draw the products of the transamination reaction between threonine and 2-oxopentanedioate. • You do not have to consider stereochemistry. • Use the charge tools to adjust the charges of the amine and carboxyl groups to the form in which they would be found at physiological pH. • Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. • Separate multiple products using the + sign from the drop-down menu. ? √n [ Ⓡ ChemDoodleTo synthesize methyl 3-nitrobenzoate, 20 ml of H2SO4 and 10 g of methyl benzoate were used. The nitrating mixture was prepared using 6 ml of H2SO4 and 6 ml of HNO3. Calculate the molar ratio of sulfuric acid to nitric acidWhat are the products prepared for preparation of p-Iodonitrobenzene?
- What will happened if you oxidize the following carboxylic acid with 1% KMnO4 solution. Describe the changes occured during the experiment and write the reaction equation. a. Benzoic acid b. Oxalic acid c. Succinic acid10. Give the commercial methods of preparing Green Vitriol?What could be a potential use of adipic acid? A) Not much, adipic acid is a 1,6-dicarboxylic acid, so it easily decarboxylates. B) Adipic acid is extensively used in turophilic chemistry. C) Adipic acid is structurally related to sebacic acid. - We used sabacic acid to make 6,1d-Nylon. So if adipic acid were converted into its acid chloride, and then reacted with hexane-1,6-diamine, one could make 6,6-Nylon. D) Adipic acid is extremely toxic, so it is seldomly used in synthetic chemistry.