19. C-H+CH3-OH What is the unstable intermediate formed in the above reaction? O OH C-H OCH3 H -C-H OCH3 OCH3 -C-H OCH3 OCH3 C-CH3 OCH3 OCH3 C-OCH3 OCH3
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- Which step in the reaction would you expect to be rate-determining? 1. Vicinal diol to intermediate A. 2. Intermediate A to intermediate B. 3. Intermediate B to intermediate C. 4. Intermediate C to carbonyl product.Which species does the first transition state of the overall reaction most ressemble? What kind of transition state is this (late or early)?E (kJ-mol") s/d/e/1FAlpQLSSGCE8gt218c6JoHMWME1A8Nydt8M4g1yG93D-2LPpoMij_g/formResponse Question 39: Select the reactions in Figure 39 that can be represented by the accompanying energy diagram? * Reaction A Reaction B Reaction C Figure 39 t (s) CH-C-NH-CH D + HN-H + HO-O HO-H HO HCI CH-CH-CH3 oH + 20° LIFE Digital
- Refer to the following reaction mechanism CH-c-OCH, slow + OH fast CH-C-OH CH0 CH,-C-OCH OH fast CH,C-O CH,OH The least stoble transition state has which structure? 8- A. CH,-C-OCH, B. CH3-C 0CH, C. CH,-C-OCH, D. CH, COCH, OHThe reaction below has an activation energy of +55 kcal/mol and a deltaH of +10 kcal/mol. Would you expect the equilibrium to favor reactants or products? Explain why?What amount of catalyst is necessary to significantly change the reaction rate of peroxide hydrogen decomposition? O A catalyst does not influence the rate of reaction O Equal to hydrogen peroxide O Half of hydroxide peroxide O Small DD 000 החמ F9 F10
- Q27. The gas phase reaction between SiH2 and H20 was studied, and the following mechanism was proposed. M is a buffer gas which takes away energy as heat; you can treat it as a regular reactant. 1) SİH2 + H20 F SİH2-H2O* K 2) SİH2-H2O* + M SİH3OH Assuming that the first step is a pre-equilibrium step and the second step is rate-limiting, derive the rate law for this mechanism.Ketoprofen is a non-steroid anti-inflammatory drug. о OH What would happen to the equilibrium of ketoprofen in water when nitric acid ( HNO3) is added to the system? Rate < Rate and the equilibrium would shift to reactants (to the left) Ref Rate and the equilibrium would shift to products (to the right) Rate Rate and the equilibrium would shift to reactants (to the left) Rate Rate and the equilibrium would shift to products (to the right)Q1. Draw the reaction mechanism using curly arrows to show each bond made/broken in the production of biodiesel from vegetable oil. Q2. NaOH is in a catalytic amount, why is it not needed in equimolar amount to the Methanol?