OH CO₂H + NH₂ SO3H 1. Give the mechanism for the reaction 2. Discuss the reason(s) why the dye molecule you synthesized is the specific color it is 3. After dying, which fabric gives the deepest color in your case? Why might different fabrics dye differently? 4.Discuss the advantages of combinatorial synthesis.
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- Concentrated sulfuric acid, H2SO4, was used to visualize the sugars (cellobiose and glucose), whose identities were confirmed by TLC. Describe the mechanism by which the sulfuric acid, H2SO4, produces visible spots where sugars are present on the TLC plate1-Suggest a mechanism by which the ozone, O3 is being destructed by the presence of oxygen molecule, O2, and the sun light. 2-Methyl chloride, CH3Cl, is another molecule that destructs the ozone layer. Suggest a mechanism for the destruction of ozone by methyl chloride and the sun light.SAMPLE T - initial T - final Duration of Reaction Color of mixture n-hexane 12:23 30 min orange 2,2,4-trimethylpentane 12:30 13:39 9 s Transparent Benzene 12:37 30 min orange Toluene 12:45 13:40 5 s Transparent 6. Based on the results in Table 5, arrange the hydrocarbons tested in order of decreasing reactivity toward light catalyzed bromination. Give the theoretical explanation for this order in terms of the stability of the corresponding free radicals.
- INSTRUCTIONS - Given in each item is a reaction scheme showing the reactant/s, reagent/s, and major product. If the compound shown at the right side is not the major product, rewrite the scheme to show the correct product/s. - Propose a feasible mechanism for each reaction. - Observe the proper construction of reaction mechanisms (arrow positioning, types of arrow heads, lone pair electrons, charges, entry/exit of chemical species, etc.). You may also provide a brief explanation (NMT 5 sentences) for your answer. - Stereoselectivity and regioselectivity of reactions must be observed, whenever applicable. Show the stereochemistry of the compounds using solid- and hashed-wedged bonds. Incorrect isomers will not be considered.Can someone help me to know the detailed mechanism of this transesterification reaction for biodiesel production? I have a heterogeneous acid catalyst Tin(ii) oxide (SnO).Fill in Q,R,S,T,U and V with appropriate chemical reagants to make these reactions possible.
- Which of the species below best depicts the likely transition state for the reaction between methyl iodide, CH3I and sodium methylthiolate, NaSCH3?A student planned to utilize HPLC to separate her chemically synthesized product (1) from th reactants (2 and 3). Predict the elution sequence for compounds 1, 2 and 3 based on the above information. Justify youranswer.What will the value of the molecular ion be for the product in the catalytic hydrogenation of pent-1-,4-diene? 68 m/z 69 m/z 70 m/z 71 m/z 72 m/z
- The second-order rate constants for the reaction of oxygen atoms with aromatic hydrocarbons have been measured (R. Atkinson and J.N. Pitts, J. Phys. Chem. 79, 295 (1975)). In the reaction with benzene the rate constants are 1.44 × 107 dm3 mol−1 s−1 at 300.3 K, 3.03 × 107 dm3 mol−1 s−1 at 341.2 K, and 6.9 × 107 dm3 mol−1 s−1 at 392.2 K. Find the frequency factor and activation energy of the reaction.As in the free-radical halogenation of alkanes, chlorination of alkylbenzenes is less selective than bromination. Given the relative rates per hydrogen for hydrogen atom abstraction from 1-phenylbutane by chlorine for the elementary step shown, calculate the percentage of 1-chloro-1-phenylbutane in the C10H13Cl product.Following is an equation for iodination of toluene. This reaction does not take place. All that happens under experimental conditions for the formation of radicals is initiation to form iodine radicals, I , followed by termination to reform I2. How do you account for these observations?