3. State which reagent you would expect to be more nucleophilic (1 pt.) ii. Explain why...
Page 2 3. I State which reagent you would expect to be more nucleophilic. (1 pt.) ii. Explain why you would expect your choice to be more nucleophilic. (2 pts.) a) CH,CH,OH or CH,CH,0- b) Ph-S or Ph-0-
1. For each of the following structures, i. write the IUPAC name. (2 pts.) ii. classify each halogen as 1º, 2º, or 3º. (1 pt.) 2. Draw structures for the following alkyl halides. Be sure to indicate any stereochemistry as needed. (2 pts. each) a. 3,6-dibromo-3,6-dichlorononane b. 2-iodo-2-methylpentane Page 3 4. Indicate which alkyl halide you would expect to react more rapidly by an S12 mechanism. (2 pts.) Explain your answer. (2 pts.) 3. i. State which reagent you would...
Page 7 i. State which reaction in each of these pairs that you would expect to be faster. (1 pt.) Explain why you would expect your choice to be faster. (2 pts.) 11. a. The Sn2 displacement with hydroxide ion on (CH3)3CCI or CH3CI.
(6) Which of the following reagen (b) Which of the following reagents would be more nucleophilic in acetone. Explain your choice. i) I or C1 ii) PH3 or NH3 iii) MeOH or KOMe (3 marks)
3. For each pair of reactions, circle which you would expect to be faster (2 pts) and indicate why in around 20 words. a) i) CH3CH2CH2OH + HCl → CH CH CH CI + H2O ii) CHCH-CH2OH + HI – CHỊCH CHI + H2O OH + HBr + H₂O HOCH ) + HBr — Br., CH3 + H2O
organic chemistry 1.1 pt) Which reagent would you use to effect the following transformation of a diol into a keto acid? ОН Reagent? CH,CHCH,CH,CH,OH - CH,CCH,CH,сон a) Jones(H2Cr2O7) b) Tollens c) mCPBA d) Collins(PCC) e) LiAlH4 2.(2 pts) Circle the TWO compounds that yield a stable Grignard reagent when treated with magnesium in ether. Br CHÚC HỌC=CH- CH,OH HN 3.(2 pts each) Reactions. Complete each reaction shown here. HỌC=CH- + HC=CH- -CH OH он 1. CH CH MgBrCH,CH,CH=CHCCH2CH3 2.H2O Сн,...
which of the following would you expect to have a higher melting point? explain why 3. Which of the following would you expect to have the higher melting point? Explain why. (3 marks - 1 for the answer, 2 for the explanation) CI OH
3. (5 pt) For the below reduction, which would likely result? A. 2:1 ratio of anti to syn B. 2:1 ratio of syn to anti OH он H-Al(Bu)a Me H+ workup Ph Ph Ph e C. 10:1 ratio of anti to syn tBu D. 10:1 ratio of syn to anti tBu tBu ry labelled bottle of liquid was found in a lab. A student performed a 1H and additional upfield multiplets. Of the following, which is the most likely 4....
_3. Which reagent would be the best reagent for the following reaction? (4 pts) ony Br Br HzC- H3C- a) H2N-NH/KOH b) NaBH4 in ethanol c) 1) HS-CH2CH2-SH 2) Hz/Pt d) HCl/Zn/Hg Explain your answer by describing why the other 3 options would NOT work as well.
a. Which of the following two nucleophilic aRomatic substitution Reactions would you expect to proceed at Faster Rate. Explain in detail the Reasoning which led нь урик (one/31e + NaOH ol + NaBr O 00+ 001 09 --> + & Na Bir ol + NaO A