24. CH3-NH-CH3 The compound above would be classified as a primary secondary tertiary quaternary 25. NH₂ A correct IUPAC name for CH₂-CH₂-C-CH₂ 3-methyl-3-hexanamine 2-propyl-2-butanamine 2-ethyl-2-pentanamine no correct response CH₂-CH₂-CH₂ is amine
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- a. Propose a synthetic pathway for cis-[NiCl2(CO)2] using trans-effect. b. Propose the methods to differentiate the isomers in between [RhCl2(H2O)4]Cl and [RhCl3(H2O)3].H2O.y Problems18-37 Draw structures of the following derivatives. the semicarbazone of cyclobutanoneQuestion 3 [20]3.1 Propose structures for compounds that fit the following data:a) A ketone with M+ = 72 and fragments at m/z = 57 and m/z = 29(3)b) An alkane with M+ = 86 and fragments at m/z = 71, m/z = 41 and m/z = 15(4)3.2 Propose fragmentation patterns of the molecules below to determine which molecule willshow m/z peaks at 43, 57, 87, 101 and 116:a) Isopropyl bromideb) Propyl chloridec) sec-Butyl isopropyl ether(13)
- Why does the alpha hydrogen to a ketone have a lower pka value than the alpha h to an alkene. Draw a picture to explain ur a waysQ.5 For a dials alder adduct (cis-Cyclohex-4-ene-1,2- anhydride), what is the multiplicity of the peaks? Is it s, d, m, dd? peaks at around 6, 3.6, 1.8 and 1.6.Long explanations are not needed. Direct answers are fine. a. Which of the following organic compounds dissolves in 10% NaOH?I. diethyletherII. 3-methyl-3-pentanolIII. 1-hexanolIV. 2-pentanol b. Which of the following organic compound dissolves in water?I. diethyletherII. 3-methyl-3-pentanolIII. 1-hexanolIV. 2-pentanol
- Draw the organic product formed for each reaction. e. CI & COOH COOHfallization of A COOH [1] LDA [2] CH3CH₂I [1] Br₂, CH3CO₂H [2] Li₂CO3, LiBr, DMF 1₂ (excess) TOH -aminopher should you use NaHnimm CN to the Büchn Br₂ (excess) -OH ydride to form ace + CHI3 rinse the task whDetermine the missing product X. 2 HC2H3O2 + K2CO3 --> H2O + 2 KC2H3O2 + X A. X= CO3 2- B. X= H2CO3 C. X= CO2 D. X= K2CO3 E. none of the above.Draw the product that man form in 1,9-dimethyl-1,10-phenanthroline is added too quicly to [Cu(PPh3)4BF4.
- Identify the organic functional group(s) of the reactant, the reaction type, and predict the functional group(s) of the product(s) then draw the major product(s) The reactant is:a. deoxytetroseb. alcohol pentosec. ketohexosed. aldotriosee. aldopentoseThe reaction type is:a. acetal formationb. oxidation (benedict's)c. hemiacetal formationd. acetal hydrolysise. reduction (hydrogenation)f. mutarotationThe product should be:a. alpha 1-4 disaccharideb. deoxyhexosec. carboxylic acid pentosed. alcohol pentosee. alpha pyranosef. no reactionQa 18. Bromination of 5a-cholestan-3-one occurs at C-2 or C-4 to give 2 regioisomers. Two unsaturated ketones with lambdamax = 230 nm and lambdamax = 241 nm are yielded during dehydrobromination. Use Woodward-Fieser rules to distinguish between the two.HCHO2 + H2O ß----à CHO2-1 + H3O+ when the [CHO2-1] increases then which of the following will occur? a) [H2O] inc. b) [HCHO2] dec. c) [H3O+] inc. d) they all increase