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Which one of the following is the s-sis conformation of (Z-2-methyl-2,4-hexadiene? oyna on synd or Rank...
Question 7 of 54 Which one of the following is not a representation of (E)-2-methyl-2,4-hexadiene? A В С D OAA OB. B OC.C D. D Reset Selection
1. Draw line-angle structures for the following compounds: a) (20,4E)-1-chloro-3-methyl-2,4-hexadiene b) (32,5E)-4-methyl-3,5-nonadiene c) (32,5Z)-4,5-dimethyl-3,5-nonadiene d) (35,5E)-2,5-dibromo-3,5-octadiene
1) Which of the following is an intermediate in the bromination of toluene? p) Ha BrH 2 2) Under what reaction conditions would the electrophilic chlorination of aromatic compounds usually occur? A) Cl2, AlCl3 B) C12, CCl4 C) Cl2, H20 D) NaCl, H20 E) NaCI, CH3OH 3) 3) Which of the following is the strongest activating group in electrophilic aromatic substitution reactions? A) -CO2CH3 B)-NO2 C) -OCH3 D) -CH2CH3 E) -N(CH3)2 4) _ 4) In electrophilic aromatic substitution reactions the...
4. Draw structures corresponding to the following systematic names; a) 1-isopropyl-4-methylcyclohexene b) 3-butyl-2-heptene c) 4-methyl-1,2- hexadiene d) trans-3,3-dimethyl-4-propyl-1,5-octadiene e) (42)-2,4-diethyl-1,4-hexadiene f) 1.2-propadiene g) (32,5E) -2,6-dimethyl-1,3,5,7-octatetraene h) cis-2,2,5,5-tetramethyl-3-hexene i) Methylenecyclohexane, j) trans- 1,2 divinylcyclohexane
1. Give a formula for each of the following alkenes: a. 2-methyl-4-octene b. 3-propyl-1,4-hexadiene I7
2. Draw structures corresponding to the following IUPAC names a. 2-methy-1,J-hexadiene b. (Z)-3-ethyl-2,2-dimethyl-3-heptene a. Z-me c. 3.4-diisopropyl-2,5-dimethyl-3-hexene d. (E)-5-methyl-4-hepten-2-ol
4. What is the IUPAC name for the following A. (2E, 42)-2,4-hexadiene B. (2E, 4Z)-1,4-dimethyl-1,3-butadiene C. (2z, 42)-1,4-dimethyl-1,3-butadiene D. (22, 42)-2,4-hexadiene E. None of these Predict the product for the following reaction. нгон-1400C 5. A. propene B. diethyl ether C. 1-hexanol D. 1-propoxypropane 6. Which one of the following represents the lowest energy D-bonding molecular orbital of 1,3- butadiene? IV 7. A thermodynamically-controlled reaction will yield: A) the most stable product. B) C) the product that can be formed in...
Arrange the following compounds in increasing order of their reactivity to electrophiles. (least reactive first) A. CH CHO (benzaldehyde) B. C&HOCH, (anisole) C. C HBr (bromobenzene) D. CH3CH, (toluene) 1) A<C<D<B 2) A<D<C< B 3 ) C<A<B<D 4) C<A<D<B Nitration of chlorobenzene occurs: 1) faster than nitration of benzene and gives the ortho and para products. 2) faster than nitration of benzene and gives the meta product. 3) slower than nitration of benzene and gives the ortho and para products....
6-11 X 2 6. Which one of the following is the intermediate in the bromination of toluene? (a)! 9) (c) III (d) IV CH3 che CH3z + BH 7. Which is the correct order of reactivity of the following three compounds in brominaion reactions? Most reactive first, least reacting last. O CH 3 13 (m) 3>>>I (6) 1>3>2 () 1>3 () >>1>2 8. In the nitration of the following compound the bromine will add on which carbon? (a) 1 (b)...
Which of the following is a conjugated diene 2-methylcyclohexanone cyclohexa-1, 3-diene 1-methylcyclohexa-1, 4-diene cyclohexa-1, 4-diene cycloocta-1, 5-diene The aromatic compound is: Which of the following reaction involves a benzyne mechanism? Ph-CH_3 rightarrow Ph-COOH Ph-Br rightarrow Ph-NH_2 Ph-OH rightarrow Ph-Cl Ph-CH_3 rightarrow Ph-CH_2Br none of these The benzene has ....pi bonds 1 2 3 4 6 The reagent used for a allylic bromination is: Br_2/FeBr_3 Br_2/Fe Br_2/AlBr_3 NBS Br_2/HBr The major product in the reaction of benzene with 1-chloropropane, in the...