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....
Draw the structure of each of the following compounds: 1,4-Cyclohexadiene 1,3-Cyclohexadiene (Z)-1,3-Pentadiene (2Z,4E)-Hepta-2,4-diene 2,3-Dimethyl-1,3-butadiene
Draw structures corresponding to the following systematic names: (a) (4Z)-2,4-Dimethylhexa-1,4-diene (b) trans-3,3-Dimethyl-4-propylocta-1,5-diene (c)(E)-4-Methylhexa-1,3-diene (d) (3E,5Z)-2,6-Dimethylocta-1,3,5,7-tetraene
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. Which of the following electromagnetic radiation is used in NMR spectroscopy?A) UVB) IRC) visibleD) γ-raysE) radio wave2. Which of the following is true about the number of signals in a 1 HMMR spectrum?A) it indicates the number of neighboring protonsB) it indicates the electronic environment of neighboring protonsC) it indicates the number of different kinds of protonsD) it indicates the electronic environment of absorbing protonsE) it indicates the number of protons in the signal3. Protons Ha and Hb in...
4. Draw the line-angle structure for each of the following a) (2E,4Z)-4-ethyl-5-isopropyl-3,6-dimethylocta-2,4-diene b) (2Z,4Z,6E)-3-bromo-5-chloro-4-ethyl-7-fluoro-9-methyldeca-2,4,6-triene c) (5S,8S)-3-sec-butyl-5-ethyl-1,8-dimethylcycloocta-1,3,6-triene d) 2-ethyl-3,5,5-trimethylcyclopenta-1,3-diene
What is the correct IUPAC name for the following molecule? (3Z-3-Ethyl-2,4-dimethyl-3-hexene (3E)-3-isopropyl-4-methyl-3-hexene (3E)-3-Ethyl-2,4-dimethyl-3-hexene (3Z)-3-isopropyl-4-methyl-3-hexene What is the major product of the following reaction? HBr ROOR hy Br Br Br Br А xe B C D C B A What is the major product of the following reaction? مل HBr Br Br A B Br C D Br Oc OA OD B Which of the following compounds is more stable? or A B They have same stability A B Rank the...
8. What is the IUPAC name for the following compound? A) 2,3-Dimethyl-4-sec-butylheptane B) 4-sec-Butyl-2,3-dimethylheptane C) 3,5,6-Trimethyl-4-propylheptane D) 2,3,5-Trimethyl-4-propylheptane 9. Rank the conformers of butane in order of decreasing stability, putting the most stable first. CH3 Онс сн сн, H CH CH н, сH, н" CH3 Н. H FH H H н H H H н H H IV C) II> III> I> IV D) I>IV> II>II A) IV>I>II> III B) IV>1>1II> II 10. Which of the following chair conformations represents...
26) Name the following compound. CH3 H2C=CH-CH2CHCH: A) 1,1-dimethyl-3-butane B) 4-methyl-1-pentene C) hexene D) 2-methyl-4-pentene E) 2-methylpentene 27) Name the following compound. CI A) 2,3,5-trichlorobenzene B) trichlorostyrene C) 1,3,4-trichlorobenzene D) 1,3,4-trichlorohexene E) 1,2,4-trichlorobenzene 28) Identify the formula for an alkene. A) CnH2n+4 B) CnH2n+2 C) CnH2n D) CnH2n-4 E) CnH2n-2 29) Name the following compound. A) 1,4-bromocyclohexene B) 1,4-dibromobenzene C) 3,6-dibromobenzene D) 2,5-dibromobenzene E) 2,5-dibromocyclohexene 30) Name the following compound. CECH CH,CH,CHCH A) 2-ethynebutane B) 3-methyl-1-pentyne C) 3-methyl-4-pentyne D) 3-ethyl-1-butyne...