ORGANIC CHEMISTRY
9th Edition
ISBN: 9780134645704
Author: WADE AND SIMEK
Publisher: PEARSON
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Chapter 4.5B, Problem 4.7P
When ethene is mixed with hydrogen in the presence of a platinum catalyst, hydrogen adds across the double bond to form ethane At room temperature, the reaction goes to completion Predict the signs of ∆H° and ∆S° for this reaction Explain these signs in terms of bonding and freedom of motion.
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Rank each of the following substituted benzene molecules in order of which will react fastest (1) to slowest (4) by electrophilic
aromatic substitution.
OCH 3
(Choose one)
OH
(Choose one)
Br
(Choose one)
Explanation
Check
NO2
(Choose one)
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Chapter 4 Solutions
ORGANIC CHEMISTRY
Ch. 4.3A - Draw Lewis structures for the following free...Ch. 4.3B - a. Write the propagation steps leading to the...Ch. 4.3C - Prob. 4.3PCh. 4.3C - Prob. 4.4PCh. 4.4 - The following reaction has a value of G =...Ch. 4.4 - Under base-catalyzed conditions two molecules of...Ch. 4.5B - When ethene is mixed with hydrogen in the presence...Ch. 4.5B - For each reaction, estimate whether S for the...Ch. 4.7 - a. Propose a mechanism for the free radical...Ch. 4.7 - a. Using bond-dissociation enthalpies from...
Ch. 4.8 - The reaction of tert-butyl chloride with methanol...Ch. 4.8 - Under certain conditions, the bromination of...Ch. 4.8 - When a small piece of plat num is added to a...Ch. 4.10 - Prob. 4.14PCh. 4.10 - Prob. 4.15PCh. 4.12 - The bromination of methane proceeds through the...Ch. 4.12 - a. Using me BDEs in Table4-2 (page 167 ), compute...Ch. 4.13A - What would be the product ratio in the...Ch. 4.13A - Classify each hydrogen atom in the following...Ch. 4.13B - Use the bond-dissociation enthalpies in Tabte4-2...Ch. 4.13B - Prob. 4.21PCh. 4.13B - Prob. 4.22PCh. 4.14 - a. Compute the heats of reaction for abstraction...Ch. 4.14 - 2,3-Dimethylbutane reacts with bromine in the...Ch. 4.14 - Prob. 4.25PCh. 4.15 - Prob. 4.26PCh. 4.15 - Prob. 4.27PCh. 4.16A - Prob. 4.28PCh. 4.16A - Prob. 4.29PCh. 4.16B - Prob. 4.30PCh. 4.16C - Prob. 4.31PCh. 4.16C - Acetonitrile (CH3C N) is deprotonated by very...Ch. 4.16D - Prob. 4.33PCh. 4 - The following reaction is a common synthesis used...Ch. 4 - Consider the following reaction-energy diagram. a....Ch. 4 - Draw a reaction-energy diagram for a one-step...Ch. 4 - Draw a reaction-energy diagram for a two-step...Ch. 4 - Prob. 4.38SPCh. 4 - Treatment of tert-butyl alcohol with concentrated...Ch. 4 - Label each hydrogen atom in the following...Ch. 4 - Prob. 4.41SPCh. 4 - Prob. 4.42SPCh. 4 - Prob. 4.43SPCh. 4 - Prob. 4.44SPCh. 4 - Prob. 4.45SPCh. 4 - Prob. 4.46SPCh. 4 - For each compound, predict the major product of...Ch. 4 - When exactly 1 mole of methane is mixed with...Ch. 4 - Prob. 4.49SPCh. 4 - Prob. 4.50SPCh. 4 - Prob. 4.51SPCh. 4 - When dichloromethane is treated with strong NaOH,...Ch. 4 - Prob. 4.53SPCh. 4 - When a small amount of iodine is added to a...Ch. 4 - Prob. 4.55SPCh. 4 - When healthy, Earths stratosphere contains a low...Ch. 4 - Prob. 4.57SPCh. 4 - lodination of alkanes using iodine (I2) is usually...
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- For each of the substituted benzene molecules below, determine the inductive and resonance effects the substituent will have on the benzene ring, as well as the overall electron-density of the ring compared to unsubstituted benzene. Molecule Inductive Effects O donating O withdrawing O no inductive effects Resonance Effects Overall Electron-Density ○ donating ○ withdrawing O no resonance effects O electron-rich O electron-deficient O similar to benzene Cl O donating O withdrawing ○ donating ○ withdrawing O no inductive effects O no resonance effects O Explanation Check O electron-rich O electron-deficient similar to benzene X © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessarrow_forwardIdentifying electron-donating and For each of the substituted benzene molecules below, determine the inductive and resonance effects the substituent will have on the benzene ring, as well as the overall electron-density of the ring compared to unsubstituted benzene. Molecule Inductive Effects NH2 ○ donating NO2 Explanation Check withdrawing no inductive effects Resonance Effects Overall Electron-Density ○ donating O withdrawing O no resonance effects O donating O withdrawing O donating withdrawing O no inductive effects Ono resonance effects O electron-rich electron-deficient O similar to benzene O electron-rich O electron-deficient O similar to benzene olo 18 Ar 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibilityarrow_forwardRank each of the following substituted benzene molecules in order of which will react fastest (1) to slowest (4) by electrophilic aromatic substitution. Explanation Check Х (Choose one) OH (Choose one) OCH3 (Choose one) OH (Choose one) © 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Centerarrow_forward
- Assign R or S to all the chiral centers in each compound drawn below porat bg 9 Br Brarrow_forwarddescrive the energy levels of an atom and howan electron moces between themarrow_forwardRank each set of substituents using the Cahn-Ingold-Perlog sequence rules (priority) by numbering the highest priority substituent 1.arrow_forward
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