1. Label the following rings as aromatic, anti-aromatic, or non-aromatic. Briefly indicate your reasoning for any molecules that are not aromatic. 2. label the hybridization at every non-metallic heteroatom. Н BrMg HN H2N. N. 'N' B. `H. Н N'
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- p. Is the molecule below conjugated? If so, circle the atoms that are part of the conjugation. Also indicate the orbital that each lone pair occupies. O-Q1. Please answer the following questions with respect to this structure. но. a) What is the hybridization of all atoms in the molecule? b) There are two double bonds in the molecule. For each, indicate the correct stereochemistry, by circling E or Z.a. What is the hybridization of each N atom in nicotine? b. What is the geometry around each N atom? c. In what type of orbital does the lone pair on each N atom reside? d. Draw a constitutional isomer of nicotine. e. Draw a resonance structure of nicotine.
- 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.4. Determine if the molecules below are aromatic, antiaromatic, or nonaromatic. If it is not aromatic, explain why.2. Lone pair occupies a hybridized p-orbital allowing it to delocalization to a nearby side-way overlap. a. True b. False
- A. Circle the following molecules that have the S configuration. CH,CH3 CH,CH3 H. H3C-- H. CH=CH2 CH(CH3)2 CH3 CH3CH, CH2 HO, 3 16. Determine the total number of electrons in each of the following structures. Also, circle the term that best describes the electronic configuration of each structure, aromatic, antiaromatic, or nonaromatic. total number of pi electrons aromatic antiaromatic nonaromatic HB BH HN. NH aromatic antiaromatic nonaromatic aromatic antiaromatic nonaromatic aromatic antiaromatic nonaromatic aromatic antiaromatic nonaromaticthe stereo center in this molecule is ___. a. R b. S
- P3A. Draw the resonance structures for the following compound and circle the one that contributes most to the resonance hybrid. Why? P3B. Draw the resonance structures for the following compound and circle the one that contributes most to the resonance hybrid. Why? dide animato lahompoto Inies an2. Name the following molecules using IUPAC systematic naming, ignore stereochemistry. a. b. C. d. g. h. ex 8ء محكمه لار 3. Identify the hybridization (sp, sp2, sp³) of each carbon atom in the following molecules. } NH₂ 4. Identify the number of a bonds, bonds, lone pairs, and hydrogens in the following molecules. 8 1111 1111Select the correct molecular geometry and bond angles around the carbocation: |||||………. trigonal pyramidal, 120° tetrahedral, 109.5° O tetrahedral, 105° trigonal planar, 120° trigonal pyramidal, 109.5°