Question 2. Draw the molecular orbital diagrams for thioazepine. Indicate if this compound is aromatic, non-aromatic or anti-aromatic using this energy diagram. Justify your answer.
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Bond Parameters
Many factors decide the covalent bonding between atoms. Some of the bond parameters are bond angle, bond order, enthalpy, bond length, etc. These parameters decide what kind of bond will form in atoms. Hence it is crucial to understand these parameters in detail and understand how changing these parameters affects the kind of bonding or various characteristics.
Bond Dissociation Energy
The tendency of an atom to attract an electron is known as its electronegativity.
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- Provide the following names of the following. Answer from left to right.1. Add nonbonding electron pairs to each atom where it is implied by the line-angle drawings shown below. 2. Use the curved arrow formalism to generate four additional, valid resonance structures for each compound. 3. Rank your resonance structures in order of increasing contribution to the overall nature of the molecule.13. Aniline and nitrobenzene are two substituted benzene compounds that contain nitrogen atoms. A) Use resonance structures to identify all carbon atoms that are electron rich on aniline. Mark the appropriate carbons in the figure below with a d-. NH₂ nitrobenzene aniline Note: this is benzene B) Use resonance structures to identify all carbon atoms that are electron deficient on nitrobenzene. Mark the appropriate carbons in the figure below with a dª.
- 3. Which of the following molecules are conjugated? For those which are conjugated, write a resonance structure.4. Determine if the molecules below are aromatic, antiaromatic, or nonaromatic. If it is not aromatic, explain why.ANSWER ALL QUESTIONS1 What is Resonance Theory? Sate five conclusions that can be drawn from the theory.2.State the two main experiments that were used to establish the extra stability of the benzene molecule.3.What are the factors that confer Aromaticity to an organic molecule?4.i. State the effects of substituents on a benzene derivative towards further aromatic substitution. ii.Based on the above suggest the various types of substituents that can be attached to Benzene.
- If a carbocation is present, do you typically push electrons towards or away from it? Why? Do you generally push electrons towards or away from a negative charge? Why? In a neutral molecule, should you push pi electrons towards the more or less electronegative atom? Why?Question: In the process of aromatic stabilization, how does the role of molecular orbital theory in predicting the relative stability of antiaromatic and nonaromatic compounds contribute to understanding the delocalization of π electrons and their impact on a molecule's overall stability?Chemistry For each pair of molecules, circle which molecule will be more basic. explain perhaps the choice, use structures if necessary.
- Benzene is the simplest member of a whole class of compounds called aromatic hydrocarbons. benzene a. How is each carbon atom hybridized? b. What is the geometry around each carbon atom? What is the overall geometry of the benzene ring? c. Draw a diagram showing the orbitals used to join the carbon atoms of the ring. d. Follow the indicated curved arrow notation to draw a second resonance structure. e. Benzene and other aromatic hydrocarbons are shown in Chapter 17 to be very stable. Offer an explanation.Question 15 In the blank for each molecule, enter A, B or C according to the code below: A-aromatic if planar B anti-aromatic if planar C-non-aromatic (does not matter if it is planar or not because other conditions for aromaticity or anti- aromaticity are not met) For those with more than one ring, consider the molecule as a WHOLE, rather than as separate rings. So if all of the rings together don't make for an aromatic molecule, then choose B or C. NH₂ 0₂ blank 1 blank 8 blank 2 blank 9 blank 3 s-cis blank 10 blank 11 N: blank 4 blank 12 blank 5 blank 13 blank 6 blank 14 Å blank 7 Q..z-z Ⓒ.H N-HDescribe with words how you would draw the curved arrow(s) to get to the more stable resonance form for the left-hand pair. Be sure to include how many curved arrows are needed and what atom (or bond) the electrons are coming from or going to. Do the same for the resonance pair on the right-hand side. more stable more stable