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Concept explainers
(a)
Interpretation: An explanation for higher stability of triphenylmethyl radical than other radicals is to be stated.
Concept introduction: The delocalization of lone pair or free electrons from one place to another is known as resonance. The stability of compound depends upon the number of resonating structures. More the resonating structures of compound more will be its stability.
(b)
Interpretation: The dimerization of two triphenylmethyl radicals to form A is to be represented by the use of curved arrow notation.
Concept introduction: The delocalization of lone pair or free electrons from one place to another is known as resonance. The stability of compound depends upon the number of resonating structures. More the resonating structures of compound more will its stability.
(c)
Interpretation: A reason for the formation of A rather than hexaphenylethane is to be proposed.
Concept introduction: The
(d)
Interpretation: An explanation of the use of
Concept introduction: Spectroscopy method is used to identify the structure of the molecule. It is based on the interactions between matter and
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Chapter 15 Solutions
ORGANIC CHEMISTRY
- Use the reaction given below to answer the following questions. Be sure to include lone pairs (where applicable). A. Br B a) Identify (by name) the frontier orbitals (HOMO and LUMO) of each species. b) Give the name of the functional group in A. c) Draw the orbital(s) comprising the LUMO of A. d) Clearly identify the nucleophile and the electrophile, A or B. : Electrophile Nucleophile e) Draw a detailed, step-by-step mechanism for the reaction given below. Be sure to include all lone pairs and clearly indicate the expected reaction product(s). f) Label each step of the mechanism as either Bronsted-Lowry acid-base, nucleophilic addition, elimination, or other.arrow_forwardIdentify in the diagrams shown below:The. Homolytic breaking of the covalent bond/radical reactionB. Heterolytic cleavage of the covalent bond / Ionic reactionc. Electrophile / Nucleophile / radicald. Reaction intermediary.arrow_forward4. For the following question please consider the four chemicals shown below. Me H2N s, NH2 acetaldehyde Chemical 1 methanamine Chemical 2 S-methyl ethanethioate Chemical 3 ethanamine Chemical 4 Chemical 4 will readily react with two other chemicals above. a. What are those two chemicals? b. Provide a chemical structure of formed products along with a probable mechanism using the arrow formalism. c. At which of the following pH's (out of 1,7,14) do you expect each reaction to occur? Why?arrow_forward
- Consider the structure of compound. Provide the a. most stable free-radical intermediate b. major monobromination productarrow_forwardQUESTION 2 The preparation of a Wittig salt from an alky halide and triphenylphosphine proceeds by a(n) O A. E2 O B. Sn2 OC. E1 O D. free radical O E. Sn1 mechanism. QUESTION 3 Which resonance structure is more reactive as a nucleophile? Ph Ph O A. 1 O B. 2 OC. both are equally reactive Click Save and Submit to save and submit. Click Save All Answers to save all answers. o search F10 F1 F2 F3 F4 F5 F6 23 2 3 4. 7 8 W Y UIarrow_forwardCompare isoquinoline and quinoline..Explain their basicity.Which of them will be more susceptible to nucleophilic attack and electrophilic attack ? Explain the reason?arrow_forward
- Why does Hammett Equation only apply to meta and para substituted rings and not others? Explainarrow_forwardKindly answer the following questions below. You may use illustration to help explain your answer a. Illustrate and explain the difference between Markovnikov and Anti-Markovnikov addition of HBr to alkene. b. Explain why catalytic hydrogenation of alkene proceeds via syn addition c. Explain, using resonance structures, why an OH group of phenol is an ortho/para director.arrow_forwardb. Consider the following five-membered heterocycles: i. ii. iii. iv. V. vi. vii. N B C D Which of them is the most reactive in electrophilic substitution? Explain Which of them is the least reactive in electrophilic substitution? Explain Which heterocycle; B or C, contains the most acidic N-H proton? Explain. Predict the site of electrophilic substitution in heterocycle B. Explain Which is the most aromatic? Explain Which of them is capable of hydrogen-bonding? No explanation required Which of them contains the most acidic C-H? Explain. Earrow_forward
- When will you consider water to behave as a nucleophile? a.When it donates H to the electron- poor site of a positively polarized carbon atom b.When at a neutral state and still able to donate a non-bonding pair of electrons. c.When at a neutral state and still able to exchange electrons with positively polarized carbon atom. d.None of the above is correct.arrow_forwardplease help give the product...arrow_forwardSelect the best answer that identifies which of the following compound(s) are aromatic. H. H. H. 3 7. a.) 1, 2, 4, 5 b.) 3, 4, 7 c.) 1, 2, 5, 6 d.) 2, 4, 5, 7 e.) Both b.) and c.)arrow_forward
- Organic Chemistry: A Guided InquiryChemistryISBN:9780618974122Author:Andrei StraumanisPublisher:Cengage Learning
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