[1] a. What orbitals are used to form the indicated bonds in a-sinensal? (3] -[2] :O: b. In what type of orbitals do the lone pairs on O a-sinensal reside?
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![[1]
a. What orbitals are used to form the indicated bonds
in a-sinensal?
(3]
-[2]
:O:
b. In what type of orbitals do the lone pairs on O
a-sinensal
reside?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F91ec9fc5-ddd6-486f-a3d2-ec57dd3cff8f%2F50868ede-a7fd-485c-bad5-1a6f3b912970%2Fhorku7m_processed.png&w=3840&q=75)
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- Which C-H bond is the shortest? (Hint: sp3 carbon atoms have normal AOs, while sp carbon atoms have compressed AOs)BDE - Bund dissociaton Greigy. (1.CHsBr BOE 219Kcalmon & CH3CH2 Br BOE 187 kealonor- Cは。-CH-Br BDI 164 kealmor 4. Cuz- - Br 149 Kealmoj BDE blhich of has bond u easier to break! 2. ohy?29. Recalling that the orthonitrate anion (NO43) is best described as acyclic, how many non-bonded (lone) electron pairs are there (in total) in this ion in its most important resonance structure? A. 3 non-bonded (lone) electron pairs in total. B. 9 non-bonded (lone) electron pairs in total C. 11 non-bonded (lone) electron pairs in total D. 12 non-bonded (lone) electron pairs in total E. None of the above 30. Given that the orthonitrate anion (NO43) is best described as acyclic, how many resonance structures contribute to its resonance hybrid when using the Octet Rule? A. There is only one (1) important resonance structure B. There are two (2) important resonance structures C. There are three (3) important resonance structures D. There are four (4) important resonance structures E. None of these are correct
- Which is the valence shell electron configuration of N in pyrrole? H. (sp³)²(sp³)'(sp³)'(sp³)' (sp²)?(sp²)'(sp²)'(p)' (sp?)'(sp²)'(sp?)'(p)? (sp) (sp)'(p)'(p)?Consider this reaction when answering the following question(s): H CH3 ہ سے ان H3C- b. C. :0: :0: H H CH3 acid catalyst H3C- :0: + a. The structures below show the step-wise bond making and bond breaking in this reaction. Draw curved arrows to show the electron flow that has occurred in each step. H H :0: :0: H- OH - - H Η Η H H Calculate Keq for the reaction in part a. Calculate AG for the reaction in part a. H + 76% ح H2 -ة: H 76% + H2. Which of the following molccules is achiral? HOH HO,CH H. CH, II A)I IV C) II D) IV and V
- teFor the molecule below, provide the following: HO. CI a) number of chiral carbons: b) number of sp hybridized carbons: c) number of sp2 hybridized carbons: d) number of sigma (o) bonds: e) number of pi (1) bonds: f) number of lone pairs (not shown) HINWhich are resonance structres of the Intemedste in the bromination ct bensene? Cho05e all possible structures. a. b. C. Br Br. H Br. Br. H. Br of themWhat orbitals are used to form each highlighted bond? For multiple bonds, indicate the orbitals used in individual bonds. H. [1] [2] [1] [2] N- [4] b. C. H E а. [3] [1] [2] [3]
- 11. Add curved arrows to the following structures to show how electron pairs must be moved to interconvert the structures, and locate any formal charges. This is the nitrate ion and it has three resona onance structures (RS). וך- :ó: :0: 1. supply formal charges 1. supply formal charges 2. draw e pushing arrows draw third RS here 2. draw e¯ pushing arrows that make second RS to make third RSAnswer the following questions for the MOs of 1,3-butadiene: a. Which are pie bonding MOs, and which are p* antibonding MOs? b. Which MOs are symmetric, and which are antisymmetric? c. Which MO is the HOMO and which is the LUMO in the ground state? d. Which MO is the HOMO and which is the LUMO in the excited state? e. What is the relationship between the HOMO and the LUMO and symmetric and antisymmetric orbitals?4. What is the configuration of all double bonds in the following molecule? Forma 1 2 3 4 5 retinol A. 1: Z; 2: Z; 3: Z; 4: Z; 5: Z B. 1: E; 2: Z; 3: Z; 4: Z; 5: Z C. 1: Z; 2: E; 3: E; 4: E; 5: E D. 1: E; 2: E; 3: E; 4: E; 5: E OH
