9. Predict the geometries of CIF, using the VSSPR method with the following steps Step 1) Draw the skeletal structure and finish Lewis structure (1) +3(1)=28e Ye- -Ye or F: Step 2: Write the general form (Abx or ABXEY): Step 3) Table number to use (10.1 or 10.2): Step 4: Predict the geometry Step 5) Determine polarity:

Ia the answer for 4(a) 46.5% or 43.98 % ? An explanation would help, thank you!

Question 4 of 18 Macmillan Learning > Essentials of General, Organic, and Biochemistry Denise Guinn THIRD EDITION Isoflurane is used as an inhaled anesthetic. The image shows the Lewis dot structure of isoflurane. F: :CI: :F: 2 :F: Q. :F: H 120° 109.5° 180° 90° C :O: O linear ·C H What is the bond angle around each carbon center? :ד: What is the molecular geometry at each carbon center? What is the bond angle around the oxygen center? 180° 90° O 120° 109.5° presented by Macmillan Learning What is the molecular geometry at the oxygen center? O trigonal planar

Draw a second resonance form for the structure shown below. :0: -Ö: • Include all valencé lone pairs in your answer. • In cases where there is more than one answer, just draw one. Should you want to restart the exercise, the drop-down menu labeled == starting poin redraw the starting molecule on the sketcher. • In your structure, all second row elements should have a complete octet when possib 981 ANT - 0%. it's AIF 4

Draw ne Lewis struciure anu nen answer he questions peiow IF2 What is the electronic arrangement for this structure What is the molecular shape for this structure What angles are present in the structure (select all that apply)? The angle(s) might not be exactly the value below but they will be close. You will get to indicate if the angles are less than, greater than, or equal to this angle in the next part. 90° n109.5° n120° n180° The angles in the structure are less than greater than equal to the angles indicated above (select all that apply). CI3PO What is the electronic arrangement for this structure What is the molecular shape for this structure What angles are present in the structure (select all that apply)? The angle(s) might not be exactly the value below but they will be close. You will get to indicate if the angles are less than, greater than, or equal to this angle in the next part. 90° n109.5° 120° n180° The angles in the structure are less than greater than equal to the…

8. Predict the geometries of H,S using the VSSPR method with the following steps Step 1) Draw the skeletal structure and finish Lewis structure 2) +1o)=8e -4 H-S-H Step 2: Write the general form (Abx or ABXEY): Step 3) Table number to use (10.1 or 10.2): Step 4: Predict the geometry Step 5) Determine polarity:

1.44 Draw one valid Lewis structure for each compound. Assume the atoms are arranged as drawn. H HCC NO H a. CH₂N₂ HCNN H H b. CH₂NO₂ HCNO HO C. CH3CNO d. (CH₂CN) HC CN H 1.45 Draw an acceptable Lewis structure from each condensed structure, such that all atoms have zero formal charge. a. diethyl ether, (CH3CH₂)2O, the first general anesthetic used in medical procedures b. acrylonitrile, CH₂CHCN, starting material used to manufacture synthetic Orlon fibers c. dihydroxyacetone, (HOCH₂)₂CO, an ingredient in sunless tanning products d. acetic anhydride, (CH3CO)2O, a reagent used to synthesize aspirin

Draw the Lewis Structure for each covalent system a-e below, and answer the question that follows: Electronegativites: H = 2.1 C = 2.5, B = 2.0N = 3.0, 0 = 3.5 S = 2.5, F = 4.0, Xe = 2.6 a. (OF 2 )Is this molecular POLAR or NONPOLAR? b. (XeF2) What is the geometry of this molecule? c. (SO 3 ^ 2- )What is the polyatomic ion geometry? (Assume "S" obeys octet) d.( CH 2 F 2 )Is this molecular POLAR or NONPOLAR? e.( BF 3 )Is this molecular POLAR NONPOLAR

The VSEPR diagram for PC15 is shown below. Use the diagram to answer the following questions. :ĊI: :CI—P™ :CI: CI: CI: a) Name the VSEPR shape. b) Identify the polarity of the bonds. Explain how you know. (AEN for P = 2.1, AEN for Cl = 3.0) c) Identify the polarity of the molecule. Explain how you know. d) Identify the dominant intermolecular force present between molecules of PCI 5. Explain how you know.

Draw the lewis structure for SH2. Then identify the electron pair geometry (EPG), molecular geometry (MG) bond angle (BA), and polarity (P). Select one: a. EPG: tetrahedral, MG: Bent, BA: 120*, P: non-polar b. EPG: tetrahedral, MG: bent, BA: <<109.5*, P: polar c. EPG: tetrahedral, MG: Bent, BA: <<109.5*, P: non-polar d. EPG: bent, MG: tetrahedral, BA: <<109.5*, P: polar