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- please explain how to get thrree answers to thr following questions thanks. Need all threeMULTIPLE CHOICE QUESTION What is the major product of the following reaction? NaBr + MeOH + ?????? Br А. D. B. Е. С. D E C A Submit Rewatch !Answer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below each structure. The pka's for the acids of interest are: ethylammonium ion (pK₂ = 10.8), and hydrogen chloride (pK₂ = -7). NH₂ A ethylamine Submit Answer + H CI B hydrogen chloride CH3 NH3 с ethylammonium + CI D chloride a) The stronger acid is b) Its conjugate base is c) The species that predominate at equilibrium are (two letters, e.g. ac) Retry Entire Group 2 more group attempts remaining
- Identify ALL reagents that would be appropriate to conduct the reaction drawn in the box Acid H pk. A H :0: ОН B ОН c NH3 D ੨੦੧ HO H-S H H-O-SO H 4.6 4.75 5.2 6.35 7.0 9.9 Acid HH H H pk. 15.7 16 16.5 18 19.2 38 9.2You need to become familiar with recognizing the personality of different molecules and become familiar with the nucleophile and electrophile chart introduced today in class. Consider the molecules below: H3C-OH [ J U L A D E A F H-O-H B Which molecules above are ONLY strong nucleophiles (they are not bases)? Select all that apply H-N-H CH3 E C H- -O: F DIdentify the missing reagent, 1) ???? 2) NaCN OH CN O PB13 O TSCI (Ts: Tosyl) O CISIME3 (Trimethyl silyl chloride) socI2 O sOCi2
- glowe OMe Selected Answer: Answers: 1. HO 2. EtMgBr 3. H3O+ 1. HOT 2. EtMgBr 3. NaOH EtMgBr, followed by aqueous workup 1. HO 2. EtMgBr 3. H3O+ ? 1. LIAIH4 2. EtMgBr 3. NaOH OH OH OH OH O OMeAnswer questions a-c about the Bronsted acid-base reaction below using the identifying letters A-D below each structure. The pka's for the acids of interest are: cyclohexanone (pKa = 16.7), and benzoic acid (pKa = 4.2). HO. A D в benzoate cyclohexanone cyclohexanone enolate benzoic acid a) The stronger acid is b) Its conjugate base is c) The species that predominate at equilibrium are (two letters, e.g. ac)Which of the following is the best HBA? b) c) d) R-N lix XR R-C Oa) Ob) Od d) O= OH R-P
- I don’t know how to find answers a-cWhat is the best reason why carboxylic acid 3 is the most acidic? aioH cioH а он дон CI- OH OH 1 || F ||| IV A) It is the least sterically hindered. B) The F groups are good leaving groups. C) F is very electronegative and can stabilize a negative charge as FO. D) F is very electronegative and will help to stabilize a negative charge on oxygen via induction. E) The conjugate base is stabilized by resonance.Correct Choose the major products of the following reaction sequence. Question 3 H,SO, H-Br OH CH,OH (1 og) CH,OH CH,Br Br 2 3 A 1 and 2 B. 1 and 3 C 1 and 4 D. 2 and 3 E 2 and 4 F 3 and 4 OB Oc OD OF Incorrect Enter Your Answer: Draw the structure of the major product with the TMS group drawn out. Question 4 OTMS H. MgBr 2. H,0 он CH3 CHS Crate OscerSketc Answer 4 ncorrect: Answer has an incorrect swutture Inliowing reaction Use wedged and dashed bonds where appropeate