Q: H3C-CH3 Starting Materials O OH Products
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- A eFundi : Home : Overview E NCHE 121 - Module test - Versio X G Which one of the alkenes can for x b My Questions | bartleby + A https://docs.google.com/forms/d/e/1FAlpQLSeaeyD2qYYYa712LcEehfMLha7DEaTq1KXQ5g7o2byUrT8CnA/formResponse Question 4: The alkene 2-methylbut-2-ene reacts with hydrogen cyanide (HCN) to form the Markovnikov product. Write the preferred IUPAC name of the main product of this reaction. [Use lowercase letters. Do not use spaces if it is not required in the name.] * Your answer Question 5: Which statement about electrophilic addition reactions is not true? * Markovnikov's rule explains why the addition reactions of unsymmetrically substituted alkenes are regiospecific. Markovnikov's rule does not apply to internal alkynes. The larger amount of the nucleophile will bond to the more stable carbocation during an electrophilic addition reaction. None of these statements are correct. O All of these statements are correct. Question 6: The mechanism in Figure 6 produces…Pradet te major produet for he folewing trenatormation, e miedu of siereechamistry, when spplie Me. 1. ВНз THE 2. NaOH H2O2 H2O OA Oc OD. Me. OR HO Me OH Me- OH OH MeSN7/ SN2| E1/EZunich reachan mecnanism do tre follawing reactions go tnrough 7) (R)2-bromopentanc reacts with CH3 OH at room temperature 2) (3R)-3-brom0-3,4-dimethylhexane is refl uxed with KOH 3) (A)-3-iodohexane is refl uxed with Heo 4) (S)4iodononane is refluxed with KN3
- e. cis-2-butene + Br2 H3C-CH=CH-CH3 Major Product(s) of e. Stereochemistry of the product described in e. (Circle one) а. R b. S С. Е d. Z e. a mixture of E and Z f. erythro g. threo h. a racemic (50/50) mixture i, all 4 products (a set of ervthro and a set of threo) i. no stereochemistryWhat s 9somer? wrfte an down the isomers of the Compound whase formula is CHq Cl. It Psomers have a chiral which of the can structure. E xamine Pt terms of stereochemistry.chem 534 cha Hư OAC H please show stereochemistry H₂ COCH ? H CO₂CH3 O Ac 2. + ? hv 9 40°C 3. H₂ C 4. 0°C Catq Q-0 + [6+4] NGC ?. لك 5. [ V-CO₂CH3 + II NCCN [4+2] C6H5 6. 2 C6H5
- + CH2=CH' `CH3 Draw the molecules on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default. Show the appropriate stereochemistry by choosing the dashed or wedged buttons and then clicking a bond on the canvas. L CONT. EXP. L C N CI Br Marvin JS [1] A by O ChemAxon P F -(Reterenoes Indicate whether the pair of structures shown represent stereoisomers, constitutional isomers, different conformations of the same compound, or the same conformation of a compound viewed from a different perspective. Note that cis, trans isomers are an example of stereoisomers. CH3 H3C Br Br Но HO CI Submit Answer Retry Entire Group 9 more group attempts remaining 8:07 PM 5/8/2021 hp t7 f9 ho f12 A insert prt sc delete 8 backspace %3D+ CH2=CH´ `CH3 Draw the molecules on the canvas by choosing buttons from the Tools (for bonds), Atoms, and Advanced Template toolbars. The single bond is active by default. Show the appropriate stereochemistry by choosing the dashed or wedged buttons and then clicking a bond on the canvas. EXP. CONT. .. C N CI Br Marvin JS [1] A by O ChemAxon P F
- Q7. Using the Cahn-Ingold-Prelog rule, assign the absolute stereochemistry to each stereogenic centre in compounds a-d, and determine whether they are chiral or not. а) b) ОН CI OH H3C CH3 H3C CH3 NH2 c) d) OH H O- H- Н он H3C* 'CH3 OH ОНPredit ds produc 1. Br ght 2.1-BuOK 38 Which represet soy depis 2mthyleyclohexeol where the wo ubatitum are S.BH, in THE 4 HO, NaOH (A) (m) CH (A) 1014 (B) BH CH OH (C) (D) (9 O он (D) 25. What radical interediate is fonmed in CHa this reaction? CH HC 2 HOOH H,C 30 Which molecules sre chiral? H. hv HO (m) COH Br (C) HO (D) HO V 26. Predict the product OH SOci II IV (A) 1,II, II, & IV (C) H& II pyridine (B) II, II, A IV (D) I1& IV (A) (B) CI 31. Explain why this synthetic route will not produce this product. şoCi 1) CHMgr 2) HHP (C) (D) SOCI H,HO heal Which reagents produce this transformation? 27. (A) The Grigrard reagent will not add to the ketone. OH HO. (B) The Grignard reagent will not add to the alcohol. (A) 1) LIAIH 2) H, H;0 (C) The Markovnikov rule will lead to a different product. (B) NABH,, HO (D) Acid catalyzed dehydration will lead to the formation of the more (C) PCC, CH,Cl; (D) KMNO, NaOH, H;O, heat thermodynamically stable alkene. What is the formal charge of oxygen in…g. cis-3-methylpent-2-ene with BH3, H2O2, and OH CH3 H3C- CH =C -CH2-CH3 Major Product(s) of g. Stereochemistry of the product described in g. (Circle one) а. R b. S С. Е d. Z e. a mixture of E and Z f. erythro g. threo h. a racemic (50/50) mixture i. all 4 products (a set of erythro and a set of threo) j. no stereochemistry