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- Which of these is a ketone? A) B) H `H H3C CH3 C) D) „CH3 `N ČH3 H2N- E) F) ОН HN-Question 10 of 20 > Given two sets of reaction conditions and two products, select the structure of the common starting material. O Br O Br Br Br The unknown starting material is: `ОН OH `ОН Br₂ (2 equiv.) OH Starting material O H₂ (2 equiv.) Raney Ni OH OH OHWhich best describes the major organic product formed by the following reaction? NaBH4 H₂O A) A tertiary alcohol B) A tertiary alkyl halide C) A secondary alcohol D) A secondary alkyl halide E) A primary alcohol F) A primary alkyl halide
- Which of the following alkyl groups is not present in the following compound? O Isobutyl O Methyl O Isopropyl O Sec-butyl « PreviousWhat reagent would cause the following conversion? Mark all that apply i H3C A) CH3Br only B) CH₂OH, HO C) CH,O® D) NaOH, CH3Br OH H3C OCH 3y clear The compound shown here can be prepared by reduction of what starting material? NH₂ Question 10 of 25 Search A) nitrobenzene B) aniline C) benzaldehyde D) phenol E) chlorobenzene
- The key step in a reported laboratory synthesis of sativene, a hydrocarbon isolated from the mold Helminthosporium sativum, involves the following base treatment of a keto tosylate. What kind of reaction is occurring? How would you complete the synthesis?# 3 DII Provide the correct common name for the compound shown here. F3 ♫x LA $ 4 F4 % 5 F5 Question 16 of 20 CH3-CH₂-C-CH₂-CH3 7- 4-3- sec- di tri tert- 19 cyclo iso ether O= but pent hex prop eth meth » < ( 5- 6- 2- F6 ester aldehyde alcohol yl aldehyde ketone F7 & 7 W PrtScn F8 * O Home F9 ( End F10 ) PgUp F11 PaQUESTION 33 Which of the following rate laws accurately describes the rate determining step in an Et elimination of alcohols? OA Rate - Mearbocationproton OH. Rate = kfoxonium lon)[alcohol O cRate kfcarbocation] OD Rate = loxonium lon] OE Rate kcarbocation][water) QUESTION 34 Aqtuieous KMnO4 which is purple, indicatos the presence of alkenos by reacting with them to forn coioriess precipitate and OA. none of the answers OR 12 diols, molybdenum dioxide, orange Or vicinal diols, manganese dioxide. brown O D. glycols, magnesium dioxide, brown OE alkyl chlorides, potasslum hydroxide, yellow O F. geminal diols, manganese dioxide, brown QUESTION 35 five carbon (S)-(+) Carvone was isolated from caraway seeds and belongs to a group of natural compounds called O steralds, one pentane O alkaloids, three, tert-butyl O terpenoids, two, isoprene which contain subunit(s) pentanoids, one, pentane O None of the above