19. a. Label the reactive features, highlight the most reactive one, then highlight what it needs. Also, state if the reaction will start to create a carbocation, carbon radical, or carbanion, or will cause loss of aromatic character. If a carbocation, carbon radical, or carbanion starts to develop, label where that will occur. (2R,3S)-2-bromo-3-methylhexane with sodium ethoxide in DMSO b. Use mechanism arrows to illustrate the reaction that occurs. c. If applicable, use stabilization resources to deal with the carbocation, carbon radical, or carbanion that starts to develop during the reaction, and draw the structure of any resonance-stabilized intermediate.

19. a. Label the reactive features, highlight the most reactive one, then highlight what it needs. Also, state if the reaction will start to create a carbocation, carbon radical, or carbanion, or will cause loss of aromatic character. If a carbocation, carbon radical, or carbanion starts to develop, label where that will occur. (2R,3S)-2-bromo-3-methylhexane with sodium ethoxide in DMSO b. Use mechanism arrows to illustrate the reaction that occurs. c. If applicable, use stabilization resources to deal with the carbocation, carbon radical, or carbanion that starts to develop during the reaction, and draw the structure of any resonance-stabilized intermediate.

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...

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1. Sort the following molecules into the quadrant in the chart shown below that best describes them. CH3CO2H NaSCH2CH3 LiN[CH(CH3)2]2 KOC(CH3)3 NaBr КОСН-СHз LiN(CH3)2 HN(CH3)2 CH;OCH; HSCH2CH3 НОСН-СH3 CH;CO2Na Good Nucleophile Poor Nucleophile Weak Base Strong Base
19. a. Label the reactive features, highlight the most reactive one, then highlight what it needs. Also, state if the reaction will start to create a carbocation, carbon radical, or carbanion, or will cause loss of aromatic character. If a carbocation, carbon radical, or carbanion starts to develop, label where that will occur. 2-methylcyclohexa-1,3-diene + the Z isomer of CH:CH=CHC=N b. Use mechanism arrows to illustrate the reaction that occurs. c. If applicable, use stabilization resources to deal with the carbocation, carbon radical, or carbanion that starts to develop during the reaction, and draw the structure of any resonance-stabilized intermediate. d. Continue labeling and diagramming the reaction until you find the major stable product(s). e. Finally, state the stereochemistry of the major product(s) and use either Fisher projection or perspective formula representations to illustrate that stereochemistry.
What from the right belongs in the red box?
a. Label the reactive features of the following reactants, select the most reactive feature, then write and highlight what it needs. Also, state if a carbocation, carbon radical, or carbanion will start to develop, and/or if aromatic character will be lost as a result of a reaction between these molecules. 3,3-dimethylhept-1-ene + BH; followed by H,O, OH, and H,O b. Use mechanism arrows to illustrate the reaction that occurs. If applicable, use stabilization resources to deal with the carbocation, carbon radical, or carbanion that starts to develop during the reaction, and draw the structure of any resonance- stabilized intermediate. Continue labelling and diagramming the reaction until you find the major stable product(s). Finally, state the stereochemistry of the major product(s) and use either Fisher projection or perspective formula representations to illustrate that stereochemistry.
Just number 2 please
16. a. Label the reactive features, highlight the most reactive one, then highlight what it needs. Also, state if the reaction will start to create a carbocation, carbon radical, or carbanion, or will cause loss of aromatic character. If a carbocation, carbon radical, or carbanion starts to develop, label where that will occur. CH,CH,CH,CH,MgBr + D,0 b. Use mechanism arrows to illustrate the reaction that occurs. c. If applicable, use stabilization resources to deal with the carbocation, carbon radical, or carbanion that starts to develop during the reaction, and draw the structure of any resonance-stabilized intermediate. d. Continue labeling and diagramming the reaction until you find the major stable product(s). e. Finally, state the stereochemistry of the major product(s) and use either Fisher projection or perspective formula representations to illustrate that stereochemistry.
In substitution reactions, (CH3)3C-I reacts at the same rate with Br and Cl even though Br is a more reactive nucleophile than Cl-. Why? Select one: A. (CH3)3C-Br reacts by SN1 mechanism whose rate is independent of nucleophile reactivity. B. The t-butyl group sterically hinders nucleophiles, making different nucleophiles appear to react at the same rate. C. (CH3)3C-Br reacts by SN2 mechanism and therefore all nucleophiles react at the same rate regardless of their reactivity. D. The t-butyl carbocation is so reactive, the measurable rate of it's reaction with different nucleophiles is imperceptible.
a. Fill in the mechanism below with curved-arrow electron pushing as well as necessary lone pairs of electrons and all formal charges. Note: Some atoms are only shown when relevant. b. Circle the rate determining step of the reaction.
For #9. use ONLY reactions we have studied this semester. 9. a) Write out seven separate reactions of 1-pentene, including reagent(s) and products(s). Include stereochemistry where relevant. b) Write out five separate reactions of 1-pentyne, including reagent(s) and product(s). Include stereochemistry if relevant.
14. a. Label the reactive features of the following reactants, select the most reactive feature, then write and highlight what it needs. Also, state if a carbocation, carbon radical, or carbanion will start to develop, and/or if aromatic character will be lost as a result of a reaction between these molecules. (R)-3-methylpent-1-ene + HBr b. Use mechanism arrows to illustrate the reaction that occurs. If applicable, use stabilization resources to deal with the carbocation, carbon radical, or carbanion that starts to develop during the reaction, and draw the structure of any resonance- stabilized intermediate. Continue labelling and diagramming the reaction until you find the major stable product(s). Finally, state the stereochemistry of the major product(s) and use either Fisher projection or perspective formula representations to illustrate that stereochemistry.
Number 5 and 6 thank you :)
a. Label the reactive features of the following reactants, select the most reactive feature, then write and highlight what it needs. Also, state if a carbocation, carbon radical, or carbanion will start to develop, and/or if aromatic character will be lost as a result of a reaction between these molecules. bromobenzene + 2-chloro-3-methyl butane + AICI3 b. Use mechanism arrows to illustrate the reaction that occurs. If applicable, use stabilization resources to deal with the carbocation, carbon radical, or carbanion that starts to develop during the reaction, and draw the structure of any resonance- stabilized intermediate. Continue labelling and diagramming the reaction until you find the major stable product(s). Finally, state the stereochemistry of the major product(s) and use either Fisher projection or perspective formula representations to illustrate that stereochemistry.