Which of the following statements is INCORRECT? Select one: O a. Ethoxide is a better nucleophile than tert-butoxide. Ob. lodide is more nucleophilic in DMF than in ethanol. O. Sterically hindered bases have low nucleophilicity. O d. Amide is both a stronger base and nucleophile than ammonia. H,SO, heat The reaction 2 CH,CH,OH сн.CH,оCH,CH, + Н,о is probably Select one: O a. an E1-type reaction involving the protonated alcohol as the substrate. Ob. an E2-type reaction involving the protonated alcohol as the substrate. Oc. an SN1-type reaction involving the protonated alcohol as the substrate. O d. an SN2-type reaction involving the protonated alcohol as the substrate.

Which of the following statements is INCORRECT? Select one: O a. Ethoxide is a better nucleophile than tert-butoxide. Ob. lodide is more nucleophilic in DMF than in ethanol. O. Sterically hindered bases have low nucleophilicity. O d. Amide is both a stronger base and nucleophile than ammonia. H,SO, heat The reaction 2 CH,CH,OH сн.CH,оCH,CH, + Н,о is probably Select one: O a. an E1-type reaction involving the protonated alcohol as the substrate. Ob. an E2-type reaction involving the protonated alcohol as the substrate. Oc. an SN1-type reaction involving the protonated alcohol as the substrate. O d. an SN2-type reaction involving the protonated alcohol as the substrate.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

8. Which of the following compounds is capable of undergoing an SN1 or SN2 substitution reaction? (more than one answer may be correct, circle all correct answers) OH2
Give two Friedel-Crafts acylation reactions that could be used to prepare 4-methoxybenzophenone. One of the reactions will occur faster or under milder conditions. OCH3 A. Draw the precursors that would occur faster. B. Draw the precursors that would occur slower. Select Draw Rings More Erase Select Draw Rings More Erase C H. Cl C H. Cl
2. Provide either the reagents or the major organic product of each reaction, using reactions and reagents we have studied in this course One step A. B. G D. Br =H 1.03 2. Zn, acetic acid reagents?? Cl₂ (=
For the following multi-step reaction, read the curved arrows and identify the sequence of arrow-pushing patterns where 1 is the loss of the leaving group, 2 is the nucleophilic attach, 3 is the proton transfer and 4 is rearrangement. :0: H. `NH2 `NH2 H но: NH HO:HN- H,0 HN
1. Rank the following from most reactive (number 1) to least reactive (number 4) toward nucleophilic acyl substitution. ob ob or ollo 2. Carboxylic Acids. Fill in the missing reagents or products. Indicate the section where each reaction can be found. (From Chapter 20 Reaction Wheel) NO₂ F руг. NH3 (xs) OH E OH B C 1. SOCI₂, pyr 2. (CH3)2CuLi D or
Identify the correct reagents and conditions to perform this chemoselective reaction: H ရှုံး H Select one: Me e. Reagent(s) and conditions? a. NaBH4 b. BH3 THF Pd/BaSO4, H₂ (1 atm.), quinoline, Pb(OAC)2, MeOH d. Pd/C, H2 (1 atm.), MeOH DIBAL Me H H OH
25. Draw a circle around the alkene that reacts most rapidly with HCl and draw a rectangle around the molecule that reacts most slowly with HCI. Hint: think about the most and least stable cation and resonance stabilization of cations! K XX X Ph H H3C H3C Ph H H3C H H H. Ph H H H 26. Draw a circle around the most acidic compound below and draw a rectangle around the least acidic molecule. .CH3 ОН SH NH2
Draw the alkyl bromide for reaction 3. Select Draw Rings More Erase H Br Reagents Carboxylic Acid Product 1. Diethyl malonate, NaOC2H5, C2H5OH 2. NaOH, H2O 3. H3O*, heat HO.
16. Rank the species below in order of increasing nucleophilicity in protic solvents: CH3CO2-, CH3S-, HO-, H2O. Answer: A. H2O
Identify the starting materials for these target molecules. Only go back one step in the reaction – meaning cleave the target molecule and translate those - synthons into synthetic equivalents. a. b. N N Target Molecule Ph Target Molecule
Why are only 30 or cyclic 20 alcohols treated with hydrogen halides to produce alkyl halides? O A. 1° ROH's form C1+ so react too quickly B. 10 ROH's do not form C1+ so react too slowly O . the reactions proceed via Sn2 O D. SOCI2 or PB13 are cheaper and easier to use
Reagents Available a. H₂O, H₂SO4, HgSO4 b. BH3 then H₂O₂ c. NaNH2 d. CH3CH₂Br e. HCI, ether Select reagents from the above table to carry out each of the following reactions. If only a single step is required, select (none) from the drop down list. Reaction 1: Step 1: Step 2: Reaction 2: Step 1: Step 2: f. H₂, Lindlar catalyst g. Li, NH3 (liq) h. CH₂l2, Zn(Cu) i. H₂, Pd/C j. Br2, CH₂Cl2 ^ CH3CH₂CH₂C=CCH3 CH3CH₂CH₂C=CH ? ? Br Br \/ CH3CH₂CH₂CCCH3 Br Br CH3CH₂CH₂C=CCH₂CH3