3. Prochirality Assign a designation of re, si, or N (not prochiral) to indicate which face we are looking down on for each of the sp2-hybridized carbons in the structure below. Jala
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- Exhibit 1-3 Determine the hybridization for the indicated atoms in each structure below. A B. :0: || CH;—CH,—C-0H Refer to Exhibit 1-3. The hybridization of this oxygen atom (B) is661 10. Use the dash-wedge method to draw the 3-D structure of ammonia. a) What is the name of this type of structure? Trigonal Pyramidel b) What is the hybridization state of the N? S २० 11. Label all the nitrogens as 1º, 2º, or 3° then place the following labels on the molecules: (Aromatic or Nonaromatic) and (Amine or Amide). Aminc Aromatic 2⁰ 030 Amide nonaromatic N H-N-H Z-H More acidic hydrogens are present in pyrrole. 00 H-N-H CH3 10 Model 3: Amine Alkylation H N. CH₂CH3 CH₂2CH3 H-N-CH3 Br-CH3 BJ CH3 Br-CH3 Br-CH3 nonaromatic fast RXN 1A faster RXN 2A fastest Amine Nonoromatic RXN 3A NH₂ 12. Which of the following aromatic compounds (pyridine or pyrrole) is more basic? Explain. (Hint-think about the hybridization of each atom) N +! H-N-H CH3 -Z-H H (+)ī H-N-CH₂ CH3 2⁰ NH₂ 30 I I-Z: Aminc nonaromatic H IZ H N H-N-H 30 Amine Aromatic H-N-H CH3 0 H +i H3C-N-CH, H-N-CH3 CH3 CH3 O NH N. RXN 1B RXN 2B 4\\\\ RXN 3B २० ភ H-N-H 1 CH3 -H NH Amine Non-aromatic bb b po IZ Amine Nonaromatic…1. Which one of the following compounds has sp-hybridized atoms in the structure? CH;CO;CH, O (CH3)3N O CH;CN O C,H4
- 2. Account for the bond angle differences between (i) H-C-H (109.5°) in methane and H-S-H (90°); H-C-H (109.5°) and H-O-H (107.5°) in water The H-S-H has two lone pairs; The H-O-H has two lone pairs The H-S-H has no hybridization at p-orbitals; The H-O-H has two lone pairs The H-S-H has two lone pairs; The H-O-H has no hybridization at p-orbitals The H-S-H has no hybridization at p-orbitals; The H-O-H has no hybridization at p- orbitalsI need help identifying the sp hybridized carbon (s). They all seem to be sp2 and sp3 hybridized to me.4. Answer the following question(s) concerning sulfathiazole, below. Furan 4(a) What is the hybridization of the nitrogen atom in sulfathiazole? = 4(b) Assuming that the oxygen atom is sp²-hybridized, how many Tr-electrons are there in the furan ring? = 4(c) Does Furan cyclic, planar, conjugated and has six T- electrons following the Huckel's rule? Yes or No = 4(d) Does Furan is aromatic? Yes or No = :O:
- نقطة واحدة نقطة واحدة نقطة واحدة = ||| The hybridization of carbon - 24 .atom in alkane is A-Sp³ 30+ 1. B-Sp³ 40 C-Sp³ 2 о+2 π. A O B General formula of alkyne -25 .compounds are A CnH2n+2 BCnH2n-2 C - CnH2n Methane molecule CH4 - 26 .hybridization is A - Sp³ B-Sp¹ C-Sp² O !. The pyridine molecule (C3H;N) is obtained by replacing one C-H group in benzene with a nitrogen atom. Because nitrogen is more electronegative than the C-H group, orbitals with electron density on nitrogen are lower in energy. How do you expect the MOs and energy levels of pyridine to differ from those of benzene?HN HN. 2. Consider the following mnolecule. Answer the questions pertaining to this molecules structure. How many primary (1) carbons are present in the molecule? %23 How many tertiary hydrogens are present in the molecule? How many sp hybridized atoms are present in the molecule? How many sp hybridized atoms are present in the molecule? How many sp' hybridized atoms are present in the molecule? uro for 4-ethyl-2- H1-methylethyl)hexane. Although
- 1. What are the VSEPR shapes (i.e., molecular geometries) associated with the nitrogen atoms in this molecule? (A) (B) (C) (D) I bent bent bent tetrahedral 2. How many sp² hybridized carbon atoms are present in this structure? (A) 1 HO. Br II trigonal pyramidal N. bent trigonal pyramidal I bent (A) aldehyde, ether, sulfide (B) aldehyde, ketone, thiol (C) amide, ketone, sulfide (D) amide, ether, ester II NH₂ III III trigonal pyramidal (B) 4 (C) 5 (D) 6 3. Which functional groups are NOT present in this molecule? trigonal pyramidal tetrahedral trigonal pyramidalhow many sp2 hybridized carbon?Which of the following represents the highest occupied molecular orbital for the conjugated pi system in this compound? НО OA О в. нин Oc нуж OD. H