Determine the major product in the following reaction OSiMe₂(tBu) CH3 HO HO HO HO HO CH3 OSiMe₂(tBu) CH3 CH3 OSIMe₂(tBu) CH3 CH3 CH3 OSiMe₂(tBu) CH3 CH3 CH3 OH CH3 CH3 Swern oxidation
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- I2 (aq) + CH3COCH3 (aq) HI (aq) + ICH2COCH3 (aq)Iodine in solution has a yellow-brown color, whereas the acetone and both products are colorless. This means that we can run the reaction using iodine as the limiting reagent, and when we see that the yellow-brown color of the iodine has disappeared, we know that the reaction has stopped and all of the iodine has been consumed. Recall that to calculate a rate of reaction, we would like toknow the change in concentration of a reactant or product during a fixed amount of time. Wewill choose the reactant iodine in this case, because its brown color allows us to determinewhen its concentration has fallen to zero. Rate = –Δ[I2] / Δt = – ([I2]final – [I2]initial) / ([tfinal – tinitial) = – (0 – [I2]initial) / (tfinal – 0) = [I2]initial / tfinal Run several trials at different concentrations of reactants and use themethod of initial rates to obtain values for k, x, y, and z in the rate law. Rate = k [I2]x [acetone]y [H+]z Run the…I2 (aq) + CH3COCH3 (aq) HI (aq) + ICH2COCH3 (aq)Iodine in solution has a yellow-brown color, whereas the acetone and both products are colorless. This means that we can run the reaction using iodine as the limiting reagent, and when we see that the yellow-brown color of the iodine has disappeared, we know that the reaction has stopped and all of the iodine has been consumed. Recall that to calculate a rate of reaction, we would like toknow the change in concentration of a reactant or product during a fixed amount of time. Wewill choose the reactant iodine in this case, because its brown color allows us to determinewhen its concentration has fallen to zero. Rate = –Δ[I2] / Δt = – ([I2]final – [I2]initial) / ([tfinal – tinitial) = – (0 – [I2]initial) / (tfinal – 0) = [I2]initial / tfinal Run several trials at different concentrations of reactants and use themethod of initial rates to obtain values for k, x, y, and z in the rate law. Rate = k [I2]x [acetone]y [H+]z Run the…classify the following reaction C2H6 + O2 -- CO2 + H2O
- Which of the following is an elimination reaction? ОН (A) CI (B) Br SH (C) CI (D) O ACyclopropane decomposes fairly rapidly at moderate temperatures whereas cyclohexane is quite stable. Why is this the case?The following chemical reaction is used to synthesize a flavouring agent that has an aroma similar to bananas. H₂SO4(aq) CH3COOH(1) + CH3(CH₂)₂OH(1) I || Identify the type of reaction that is represented by this synthesis. Select one: CH₂COO(CH₂)₂CH₂(1) + H₂O(1) IV O addition O hydrogenation O substitution O esterification O elimination
- Start with the condensed structural formula CH2=CH-CH2-CH2-CH(CH3)2 and react it first with H2O in the presence of H2SO4 (as the catalyst), to produce a major substrate product. Then, take that major substrate product, and use it as the substrate of the next reaction, by reacting it with K2Cr2O7 and H2SO4, to produce the FINAL MAJOR substrate product. The complete correct condensed structural formula for the major substrate product (after reaction step 1) is __________. (If no new product is formed in this step, type "no reaction.") The complete correct condensed structural formula for the final major substrate product (after reaction step 2) is __________. (If no new product is formed in this step, type "no reaction.")Which is the reductant and oxidant in the reaction? S2O32- + I2 → I- + S4O62 I2 is the reductant; S2O32- is the oxidant I- is the reductant; S4O62- is the oxidant S2O32- is the reductant; I2 is the oxidant S4O62- is the reductant; I- is the oxidantA chemist synthesized compound X as a racemic mixture. When the ketone group in X was enzymatically reduced to the corresponding alcohol, a 100% yield was obtained of the product shown below. Choose the statement that best describes this result. ОН enzyme C;H1 `OCH,CH; pH 4.0 C3H1 `OCH,CH3 ОН ÕH X (racemic) (100% yield) One enantiomer of compound X reacts quickly with the enzyme. The other enantiomer of compound X is unreactive, but rapidly equilibrates with the reactive enantiomer under the reaction conditions. Since compound X was racemic, it makes sense that only a single product was obtained. O The product is a meso compound, so either enantiomer of compound X gives the same product. One enantiomer of compound X reacts quickly with the enzyme, while the other enantiomer of compound X remains unchanged.
