Prompts LDA (i-Pr2NLI) Cyclohexylmagnesium chloride NaOMe Triethylamine Water Submitted Answers 1 Choose a match Choose a match Choose a match Choose a match ▶
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- of the bases you studied in BeyondLabz, how would you rank them in terms of their relative base strength? The strongest base = 1. Prompts Submitted Answers LDA (-Pr2NL) Cyclohexylmagnesium chloride NaOMe Triethylamine Water 5 1 Choose a match 5 5CH30 carboxylic acid CH3C-OH ester 0 0 CH3COČCH, anhydride CH3CH2CHËI amide CH2CH3 CH3CH2CHCOCI none of the above ČH2CH3 Cengage Learning | Cengage Technical Support e y-axis and pH on the x-axis. If the points stv N IVUL 4IL VL LLIV VM tWhich base would you expect to generate the stronger conjugate acid? A.) Hydrazine Kb = 1.7 x 10-4 B.) Analine Kb = 4.3 x 10-10 C.) Triethylamine Kb = 1.0 x 10-3 D.) Ammonia Kb = 1.8 x 10-5
- HIT-NO=15641 SCORE= (P-METHYLPHENOXY) ACETIC ACID SDBS-NO=31558 IR-NIDA-47630 : NUJOL MULL LOD 5D 4100 3000 2000 1500 1000 500 HAVENUHB ERIl 936 848 3031 68 2673 64 1464 46 1230 16 72 2955 12 2580 60 1439 43 1166 5B 53 2924 2069 1733 1703 1174 1124 4 47 1373 50 70 613 36 H3C- O-CH2- -C-OH 10 1316 60 68 766 67 2855 12 1617 72 1308 60 1094 53 546 72 516 606 2725 84 1584 74 1289 46 1087 55 74 2714 64 1610 29 1268 62 966 70 70 TFANSMITTENCEI SIAnswer 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 remaining0 The target diol is synthesized in one step from 1-methylcyclopentene, but your lab partner exhausted the supply of that alkene. Fortunately, you have plenty of isomers (CH₁) on hand from which to synthesize 1-methylcyclopentene and, ultimately, the diol. Provide the missing reagents and organic structures needed to most efficiently produce the target product. reagent 1 Compound A Draw compound A. Select Draw Rings More с H Compound B Erase reagent 2 Identify reagent 1. reagent 3 H3C.. HO ....|H OH
- ① NH < A NH2 B C 동시 ОНWard @ rning strongest acid and the strongest base from the four species. A (ethanimine) and B (acetonitrile), protonates on nitrogen. Draw the conjugate acid of each. Select the Compound A Compound B H₂C-C-NH 80 F3 Draw the conjugate acid of Compound A. Draw the hydrogens. 4 Select Draw Templates More $ पी R F V 000 000 F4 % 5 T G C H B N H --- H₂C 6 H3C-C=N: Y H H MacBook Pro H N & 7 U F7 J Erase D * 8 M DII F8 K ( 9 H Draw the conjugate acid of Compound B. Draw the hydrogens. Select Draw Templates More F / / || L I c H,CICMNIH 4 DD F9 O L ) F10 C H N P V " command option F11 { [ ? + 11 1 D F12 } 1 Erase ว delete retuAt which pH would the following ionization state of methionine be the the most dominant species in solution? (pKa and pl vales are shown below) 0 H₂N-CH-C 1 2 CH₂ CH₂ S CH3 Methionine pka₁ = 2.28 pka₂ = 9.21 pl = 5.74
- a) C(s) + H;O(g) + energy SCO(g) + H;(g) direction of shift effect on Keq increasing total pressure increasing the temperature b) Br:(aq) + H,O(1) 5 HOBR(aq) + H*(aq) + Br(aq) direction of shift effect on Keq adding potassium bromide increasing the pH c) CO(g) + Cl(g) 5 COCI,(g) + energy direction of shift effect on Keq the addition of a catalyst increasing the temperatureglowe 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 OMeCI 16 + OH P, Br₂ 12 15 DIBAL-H CrO3 H+ 13 LiAlH4 14 Major Produc Major Produ