D1A Which reaction will NOT produce a compound with the carbon from the carbonyl group in the same oxidation state as in the starting material? OA cyclobutanone and water under basic catalysis OB. bicyclo[2.2.1]heptane-2-one with ethanol and an acid catalyst OCacetophenone and hydrazine at a pH =7 OD. cyclopentanone and hydrazine with KOH
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- The following presented reaction scheme lead to the synthesis of which major product from benzene, assuming separation of products is possible? so, 1. Na OH Cl2 Product Product HSO, 2. H,0* FeCl3 O A. Meta-Chlorophenol O B. para-ChloroSulfenic acid OC. Para-Chlorophenol O D. Meta-chloroaniline28. What is the major organic product of the following reaction? HO CI 1. (CH₂)₂Culi 2. H₂O A) I B) II C) III D) IV i c III ноха IVCambridge International AS Level Chemistry ot boe slo plgmes s al snsdismonooli End-of-chapter questions 1 1-bromobutane will undergo reactions when heated, as shown by reactions A and B. ot dwab on s bl auoltse s boaub svsd 20 swoll gab ods-suai la yel snoso sdr ssiganm n2 monl gnivims noiteibar VU luad CH;CH,CH,CH,Br B CH;CH,CH,CH,OH CH;CH,CH=CH, 90u S1s 2O1D Isdh tuo gomia sli ni qu dgid tod a guch pecoue For reactions A and B give the reagents used in each case. b Reaction A was repeated using 1-iodobutane instead of 1-bromobutane. Explain any difference in the rate of reaction observed. p bas- od mon c What type of organic reaction is A? d Show the mechanism for reaction A. e Reaction A was repeated with 2-bromo-2-methylpropane instead of 1-bromobutane. i Name the organic compound formed. elle ii The mechanism of the reaction with 2-bromo-2-methylpropane differs from the mechanism of smitas nosd asd i anol reaction A. Describe how the mechanisms differ. f What type of reaction is…
- For each compound, give the product(s) expected from (1) HgSO4>H2SO4@catalyzedhydration and (2) hydroboration–oxidation. cyclodecyneQuestion 65 Which sequence of reactions is expected to produce the product below as the final, and major, organic product? но, н LOH + enantiomer 1. H2, Lindlar's cat.; 1. На, Рt; 1. OsO4; А. 2. Os04; 2. Os04; 2. NaHSO3/H2O; 2. Os04; 2.NAHSO3/H20; 3. NAHSO3/H20 3. NaHSO3/H20 В. C. 1. Na, NH3(); 1. OsO4; 3. H2, Lindlar's cat. 3. NaHSO3/H20 3. Na, NH3(1) D. E. O E A B.13:27 ll 4G O. The following presented reaction scheme lead to the synthesis of which major product from benzene, assuming separation of products is possible? soj 1. NaOH Cl Product - Product H,SO, 2. H,0 FeCl OA Meta-Chlorophenol O B. para-ChloroSulfenic acid OC. Para-Chlorophenol OD. Meta-chloroaniline Add a caption... > Status (Custom)
- Which is the MAJOR product of the following reaction? Et 1) BH3:THF 2) H2O2, NaOH Which of the following best describes a key step in the mechanism for the reaction below? HO ... CH3 -CH3 dihydroxylation + en H3C- H3C- HO. electrophilic addition reaction to form a carbocation intermediate B nucleophilic attack by an alkene to form a cyclic (epoxide) intermediate elimination reaction by abstraction of a beta-hydrogen D free-radical substitution at the carbonyl carbon Which alkene will produce the HIGHEST yield of the alkyl halide below? Br. alkene HBr |17 Give the missing reactant(s), product(s) or reagent(s) ONLY (no mechanisms). (Non-anonymous questionO) 1. H2, Pd/C (leq.) 2. BH3, THF H202, OH-Cyclohexene plus 1) Hg(OAc)2, H2O; 2) NaBH4; yields __________. HO2CCH2CH2CH2CH2CO2H a cyclic diketone cyclohexyne cyclohexanol OHCCH2CH2CH2CH2CHO
- What is the organic product formed in the following sequence of reactions? Br (1) Mg/ether, (2) CO₂ HOCH₂/H* (1) DIBAL-H, toluene, -78°C heat (2) H*(aq) (3) H*(aq) II H III IV de "a H H I ?golau BOROW bns B3AUTOURTE 4. REGIOCHEMISTRY and STEREOCHEMISTRY: Draw the reaction intermediate (not the mechanism) and product of the hydroboration-oxidation reaction of the alkene shown. THEN state the correct regio-chemical and stereo-chemical outcomes for the groups adding across the double bond for this reaction. 1) BH₂ *THF 2) H₂O2. NaOHWhich of the following methods can be used to synthesize 2-methyl-1-hexene, shown below, with no formation of isomeric by-products? ОН H2SO4 A) heat H2SO4 OH B) heat Ci (CH3);CO Na* + D) H2C=P(C,H5);