4. Build a model of the 1,2-ethanediol molecule. a. Identify the electron-pair and molecular geometry around...
5. Give the hybridization, electron pair geometry, and molecular geometry of the centrail atom(s) in the structures in question 3, 6. For any molecule in question 1 containing lone pair electrons on the central atom, look up and record the literature values for the bond angles of the molecular structure 7. Read the section on hybrid orbitals in your book. Explain how hybrid orbitals are formed using the sp' hybrid orbitals as the example. 8. Double and triple bonds also...
EXPERIMENT W12: ORGANIC STRUCTURES AND MOLECULAR MODELS 7. Build models of all possible isomers of CHCl, and then draw and name the Lewis Structure for each Isomers that differ in their relative geometry (or orientation) across a rigid double bond are called geometrie isomers. Circle your geometric isomers. Label each molecule as polar or non-polar. Certain physical properties of molecules, such as boiling point, are dependent on the degree of polanty of a molecule. What hybrid orbital is used by...
WORKSHEET Data Sheet: Molecular Models: Lewis Structures and Molecular Geometry Student: Lab Partner: Instructor and Section: Date: Question 1 For each of the following molecules, draw the Lewis structure and fill in the table as indicated. It is advisable to work in pencil. A dash in the table means that item is not relevant for that molecule. Formula # Vale Lewis Structure Sketch of Model Molecular Bond Geometry Angle F2 N2 H20 PF, CO CHA HCN CH 63 O Lab_Report_9.docx.......
20. Make a model of trans-1, 4-dimethylcyclohexane and cis-1, 4-dimethylcyclohexane. Draw their chair conformations below including the chair flip for each. Repeat questions 15-16 on this model Part III. Learning to Draw Molecules on a Computer Start the ACD ChemSketch programs and spend 15 minutes familiarizing yourself with their drawing capabilities. Practice using ChemSketch 2.0 to convert two dimensional structures to three dimensional structures and rotating and viewing three dimensional structures. 1. Based on the shape of the molecule, what...
What is the hybridization of each C in these molecules? Describe the shape of each molecule. C1,C=0 hybridized. The molecular geometry is __ the CI-C-Cl bond angle is __ , and the The carbon atom is CI-C-O bond angle is ___ Drag and drop your selection from the following list to complete the answer: CIC EN The carbon atom is hybridized. The molecular geometry is and the CI-C-N bond angle is __ Drag and drop your selection from the following...
NAME SECTION DATE REPORT FOR EXPERIMENT 17 INSTRUCTOR Lewis Structures and Molecular Models For each of the following molecules or polyatomic ions, fill out columns A through G using the instructions provided in the procedure see- tion. These instructions are summarized briefly below. A. Calculate the total number of valence electrons in each formula B. Draw a Lewis structure for the molecule or ion which satisfies the rules provided in the procedure C. Build a model of the molecule and...
2. Use the VSEPR theory to predict the shapes of the following molecules or ions. First, draw the Lewis structures for each species. Next, use the modeling kit to build the molecule and confirm that it matches your Lewis structure. For structures 2a e, show your models to your instructor. Finally, report the molecular geometry and bond angles for each of the central atoms. H bol H с с с CN H Central Atom Molecular Geometry Bond Angles Carbon (left)...
26. Determine the electron geometry, molecular geometry, and idealized bond angles for PF3. 27. Draw the correct Lewis structure for nitrogen trifluoride. 28. Determine the hybridization about Cin Hyco. The structure of caffeine, present in coffee and many soft drinks is shown here. How many double bonds are present in caffeine? How many single bonds? CH, HC CH 30. Each ball-and-stick model shows the electron and molecular geometry of a generic molecule. Explain what is wrong with each molecular geometry...
4. Predict the ED geometry and bond angles around the indicated atoms in the molecules below. NOTE: LONE PAIRS ARE NOT SHOWN. H O For each of the following molecules, draw the wedge-and-dash representation and name the shape of the molecule. Note that in each molecule, N is the central atom. A. NO2 5. B. N2O C. NO-CI D. NH2
Shown below is the partial structural formula for the amino acid L-cysteine, HSCH2(NH2)CHCOOH. The dotted lines represent connectivity of the atoms, but the structure does not show the correct bond orders (single, double, etc.). Complete the following activity for L-cysteine. ННО 2 4 H N-H 1. Write the name and chemical formula of the molecule shown above. 2. Determine the total number of valence electrons in the molecule. 3. Use the partial structural formula to draw a Lewis structure for...