5. Which one is the major organic product obtained from the following reaction sequence? A OH Ph HU OH OH B NH 1. NaBH B H 2. HCI, H₂O 2. H₂O,H OH Ph Ph C D Ph Ph- OH E
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- R R 200 R H H [1] Nu: [2] H₂O R 'R' st ↓ X H₂SO4 CH3CH2OH NaNH, NaNH, (2 equiv.) NaNH, (2 equiw 1. NaCN 2. H₂OFollowing are the steps in the industrial synthesis of glycerin. NaOH, H₂O B (C₂H₂O) CH₂=CHCH, Propene Cl₂A (C₂H₂CI) heat C (C₂H,ClO₂) Ca(OH)2, D (C3H6O2) heat Cl₂, H₂O H₂O, HCI OH HOCH₂CHCH₂OH 1,2,3-Propanetriol (glycerol, glycerin)HO ? „OH a) HO Br ? b) OH C2H;O°Na* c) CI
- و- من المخط ط أكتب صيغة المركبات ) C-B-A( مع تسميتها ؟ B. NaOBr COOH + NH3 -> A + H2O P205 C = C =B = A از( أكمل المخطط : В ↑ HCLThe 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 eliminationAn elevated level of the enzyme alkaline phosphatase (ALP) in human serum is an indication of possible liver or bone disorder. The level of serum ALP is so low that it is very difficult to measure directly. However. ALP catalyzes a number of reactions, and its relative concentration can be determined by measuring the rate of one of these reactions under controlled conditions. One such reaction is the conversion of p-nitrophenyI phosphate (PNPP) to p-nitrophenoxide ion (PNP) and phosphate ion. Control of temperature during the test is very important; the rate of the reaction increases 1.47 times if the temperature changes from 30 C to 37 C. What is the activation energy for the ALP-catalyzed conversion of PNPP to PNP and phosphate?
- + F₂ catalyst The above reactants would undergo a catalyst .ل= + H H The above reaction would be an example of HHHH |||| H-C=C-C-C-C-C-H+2H-H | | | | HHHH The above reactants would undergo a(n) catalyst reaction ◆ reaction Isopropyl alcohol (propan-2-ol) is used as a solvent for industrial processes, a disinfectant solution, and a de-icer solution for vehicles. One method of producing isopropyl alcohol is to react propene with water in the presence of an acid catalyst. This reaction is classified as a(n) ◆ reaction.What is the major organic ppoduct of the following reaction? CN CN CN CN 1 CN 3 H5. Complete the following synthesis of the natural product mycophenolic acid. TMSCI OAC pyridine A OAC OH D TosCl pyridine HO. OTMS OTMS OMe Bno heat OH 1. Mg 2. Cô, 3. H,O .COOH Brz FeBra ÓTMS OBn OTMS Meo OBn Мео Na, NH, OH OH H (2 steps) 1. SOCI, G 2. heat HOOC OTMS Meo Meo
- Predict the product for the following reactions. If the reaction is the dehydration of alcohol, predict the major product. 1. он NazCr20, H2SO4, H20 он Na, Cr,0, H,SO, H,0 H,SO heat OH 4. H,SO heat 5. OH H2SO, heat 2. 3.Consider the equilibrium reaction show below: CH3COOH (aq) + OH-1 (aq) ⇋⇋ CH3COO-1 (aq) + H2O (l) What is the Kc expression? Select one: a. Kc=[CH3COO−1][CH3COOH][OH−1]Kc=[CH3COO−1][CH3COOH][OH−1] b. Kc=[CH3COO−1][H2O][CH3COOH][OH−1]Kc=[CH3COO−1][H2O][CH3COOH][OH−1] c. Kc=[CH3COO−1][CH3COOH]Kc=[CH3COO−1][CH3COOH] d. Kc=[CH3COOH][OH−1][CH3COO−1]Kc=[CH3COOH][OH−1][CH3COO−1] e. Kc=[CH3COOH][OH−1][CH3COO−1][H2O]Which of the following statements is FALSE? Select one: Oa. Thermodynamically favored reactions are reversible Ob. Nature favors low enthalpy and high entropy Oc Reactions can be driven in the favor of product formation by the presence of enzymes O d. At equilibrium there is no change in free energy O e. Enzymes catalyze chemical reactions by decreasing the energy of activation of reactants.