2. Draw the following compounds a. 2-methoxypropane or isopropyl methyl ether d. trimethylamine c. hydroxymethyl ethanoate...
1. Write a structural formula for each of the following compounds: a. isopropyl methyl ether b. trans-2- pentene oxide c. 3- ethoxyhexan d. ethylene glycol dipropyl ether
1. Draw the structures of the following compounds: a. 3-ethyl-4-methyl-2-hexene b.2-chloro-butyl acetate c. Ethylbenzene d. 2-methyl-3-pentanol e. 2-methylpropyl methyl ether 2. A) Distinguish between photodissociation and photoionization B) Use energy requirements of these two processes to explain why photodissociation of oxygen is more important than photoionization of oxygen at altitudes below about 90 km.
1. A. What is the best procedure to prepare isopropyl methyl ether (CH3),CHOCH,? a. isopropyl iodide and NaOCH b. isopropyl iodide and methanol c. methyl iodide and KOCH(CH3)2 d. methyl iodide and (CH3)2CHOH
Draw the structures of the following carbonyl compounds: 4-hydroxypentanoic acid ethyl ethanoate methyl 2-aminobenzoate 4-bromocyclohexanone 1-bromo-2-chloro-cyclopentane carboxylic acid
Which of the following compounds contain an sp2 hybridised carbon atom? Select one: a. propane b. ethanol c. 1-bromobutane d. methyl ethanoate e. ethylamine
(b)How can you use 1H NMR to distinguish between isopropyl ethanoate and methyl 2-methylpropanoate. 7.27 20180528_Inova_500_isopropyl acetate-PROTON_01 5.03 5.02 5.01 66 OL84.974.98 4.96 Chemical Shift (ppm) 4.0 .......... 2.02 .. ...... 6. (a)Complete the table: Signal Chemical shift, 8 (ppm) Splitting pattern (singlet, doublet, triplet, quartet, pentet. sixtet, septet, octet, nonet, multiplet) # of H neighbours Integration (# of protons) Circle or highlight the proton(s) that give rise to this signal H-C-H A 4.99 H-C-H B 2.02 H-C-H C 1.24
draw the structures of the following compunds: 1. Draw the structures of the following compounds: a. 3-ethyl-4-methyl-2-hexane 12V DAUI orgian antivollotor b.2-chloro-butyl acetate HDHO c. Ethylbenzene HOHO d. 2-methyl-3-pentanol HD HO-HD-HO-HO HD e. 2-methylpropyl methyl ether
A. What is the best procedure to prepare isopropyl methyl ether (CH)CHOCH? a. isopropyl iodide and NaOCH, b. isopropyl iodide and methanol c. methyl iodide and KOCH(CH) d. methyl iodide and (CH).CHOH B. Which alkyl halide would be most reactive in an S2 reaction? сн, a. (CHC-CHCI b d. B. What is the order of increasing reactivity for the following nucleophiles (least first)? Cно Н.О CH CO CHS Which is not a polar aprotic solvent? C. ь. снCN с. снон...
8. Draw 3 of the following compounds: a. Tribromomethane b. 2,2-dicyclopropyl-3,3-dimethylbutane c. Di-(2,3-hydroxymethyl)-1,4-decandiol d. cis-2-propoxy-1-cyclodecanol 9. Draw the Newman projection for the following compounds: a. 13-dibromo-2,4-dichloropentane C,-C2 b. -fluoro-3-methoxy-4-methylethylheptan-2-ol C2-C
1. How can you use 1H NMR to distinguish between isopropyl ethanoate and methyl 2-methylpropanoate (also called ethyl isobutyate)? Isopropyl ethanoate 2. This spectrum contains two peaks that are shifted ~3 or more ppm downfield of the other three peaks. Why are these peaks shifted? 1-pentene 20180528_inova_500_isopropyl_acetate-PROTON_01 -2.02 - BC 66 LOS -727 5.02 EO'S 96 LS497498 Chemical Shift (ppm) 20180430_inova_500_1-pentene-PROTON_01 5.86 5.60 583 5.78 5.82 > 5.80 5,03 503 -5.02 4.99 -6.96 -4.96 4.94 Chemical Shift (ppm) 40 -2.06...