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- One of the ingredients in the Pfizer-BioNTech (mRNA) vaccine is shown below: но. N'HO. e 4. Identify the functional groups present and hybridization of the labeled atoms. H- d H Но a H- HO HO2. Answer parts a-e using the skeletal structure of the molecule shown below. NE # NC=N; + NÁ a. Add all implied hydrogen atoms to the skeletal structure. b. How many tetrahedral carbons are in the molecule? What hybridization do tetrahedral carbon atoms have? c. Consider the bond marked by *. Based on what you know about electronegativity trends, which atom in the bond is more electron rich? Draw a dipole arrow pointing toward the more electron rich atom. d. Label each N atom with its hybridization (sp, sp², or sp³). Based on the hybridization that you assigned, what atomic orbitals does each N atom possess? (Hint: Each atom should always have 4 atomic orbitals.) NA atomic orbitals NB atomic orbitals Ne atomic orbitals ND atomic orbitals e. Consider the lone pair on each nitrogen atoms. What atomic or hybridized atomic orbital holds each lone pair (sp, sp², sp³, s, or p)? Lone pair on N₁ held by Lone pair on NB held by Lone pair on ND held by
- Consider the molecule below. Determine the molecular geometry at each of the 2 labeled carbons.Change 1,2-ethanediol into 1,2 ethenediol (HOCHCHOH) by removing one hydrogen atom from each carbon atom and replacing with a double bond between the carbon atoms. Be sure to add the second rod to represent the double bond. Draw a Lewis structure for 1,2-ethenediol. A. Identify the electron-pair and molecular geometry around each carbon and oxygen atom. B. What are the bond angles for H-C-C? For C-C-O? For C-O-H? C. Draw two different structures of the molecule in which the –OH group on the two carbon atoms occupy different orientations with respect to each other.Answer true or false.Alkenes, alkynes, and arenes are unsaturated hydrocarbons.* Aromatic compounds were so named because many of them have pleasant odors.* According to the resonance model of bonding, benzene is best described as a hybrid of two equivalent contributing structures.* Benzene is a planar molecule.
- prohibited. Remaining Time: 1 hour, 01 minute, 25 seconds. * Question Completion Status: A Moving to the next question prevents changes to this answer. Quèstion 2 In methyleyclohexane: O a. ring-carbon atoms are sp- hybridized and the methyl group is sp hybridized. O b. all bond angles are approximately 120°. C. all carbon atoms are sp hybridized. O d. ring-bond angles are approximately 120° and the ring-methyl bond angle is approximately 109°. A Moving to the next question prevents changes to this answer. O Type here to search hp 144 10 & %23 5 6. R T U W 3]Part G. Molecules with Oxygen and Nitrogen. Organic molecules often contain the elements oxygen and nitrogen. Construct a model with the molecular formula C5H12O where the oxygen is bonded to one hydrogen. When a hydrogen is bonded to an oxygen or nitrogen, you need to draw that bond in a bond-line structure. Draw the bond-line structure of this model. What is the molecular geometry of oxygen in your structure? Draw three more constitutional isomers with the molecular formula C5H12O where the oxygen is bonded to one hydrogen. Structure Structure Structure Draw three more constitutional isomers with the molecular formula C5H12O where the oxygen is bonded to two carbon atoms. Structure Structure StructureSiHCl3 has the following shape: Are any of the bonds polar? if so, draw a crossed arrow along each polar bond. If none of them are polar, explain why not. If the whole molecule polar? if so draw a crossed arrow through the diagram to show the direction of polarity. If not, explain why.
- Change 1,2-ethenediol into 1,2 ethynediol (HOCCOH) by removing one hydrogen atom from each carbon atom and replacing with a triple bond between the carbon atoms. Be sure to add the third rod to represent the triple bond. Draw a Lewis structure for 1,2-ethynediol. A. Identify the electron-pair and molecular geometry around each carbon and oxygen atom. B. What are the bond angles for C-C-O? For C-O-H? C. Can the molecule interconvert or “flip” between different structures in which the –OH group on the two carbon atoms occupy different orientations with respect to each other? If so, how does this happen? If not, why?B. Cycloalkanes 1) Construct a model of the cyclic alkane: cyclopentane (C5H₁0). Because the five carbon atoms are locked in a ring, rotation about the single bonds is restricted; the plane of the ring a fixed geometry within the molecule. Toggle between full Lewis structures and skeletal structures by clicking the C-H tool. Model 1: Use the solid wedge tool to attach a methyl group to each of two different carbon atoms in the cyclopentane. Note the five carbons of the ring are in the plane of the paper, and the solid wedge indicates both methyls project forward, in front of the plane of the paper. Model 2: Use the solid wedge tool to attach first methyl group to one of two different carbon atoms in the cyclopentane, and use the dashed wedge tool to attach the second. Note the solid wedge indicates that one methyl projects forward, in front of the plane of the paper. The dashed wedge indicates the other methyl extends back, behind the plane of the paper. Click the broom to tidy up the…1. Convert the line angle formula for adrenaline and acetaminophen into Lewis Structures. Show all atoms, bonds and lone pairs HO- HO Adrenaline OH IZ N w IF Acetaminophen NH 2. For each molecule, circle and name all of the functional groups 3. For each molecule, identify the geometry relative to each atom that is attached to 2 or more atoms.