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- Use the Lewis dot structure (make sure you show all electron pairs) to predict the electronic geometry_(EG) and the shape of the molecule H2O. O EG - bent; shape - bent O EG - trigonal planar; shape lincar O EG- tetrahedral; shape - bent O EG - tetrahcdral; shape trigonal pyramidal O EG - trigonal bipyramidal; shape - tetrahedralSOU E-leaming General Chemistry for Engineering Consider the reaction BF3 + NH3 -F3B-NH3 Describe the changes in hybridization (if any) of the B and N atoms as a result of this reaction a. Boron (before sp, after sp), whereas Nitrogen (before sp, after sp) O b. No change in hybridization O c. Boron (before sp, after sp), whereas Nitrogen (before sp, after sp) O d. Boron (before sp, after sp'), whereas Nitrogen (before sp, after sp) O e. Boron (before sp, after sp), whereas Nitrogen (before sp, after sp*d) O Clear my choice Phosphine is a colorless toxic gas. It is a hydride of phosphorus. The chemical formula of this compound is PIO On the other hand, Silane is also a colorless, pyrophoric, tOXIC gas with a sharp, repulsive smell. It is also a hydride of silicone, The chemical formula of this compound is SIH4. According to the VSEPR model ravide mmente on thA ara ment of electron pairs around PH2 and SIHComplete the following table. Only consider the central atom when filling in the steric #, # of bonding electron groups and # of lone pairs. Report Table MGP4: Geometry and Polarity of Group 1 Compounds Determining polarity of group 1 compounds Steric # Electron Geometry of bonding electron groups of lone pairs Molecular Geometry How many bonds have a dipole? If present, do the dipoles cancel each other? Is this molecule polar? Choose... linear bent • Nitrogen, N₂ . trigonal planar square planar ✓tetrahedral trigoral pyramidal squa yramidal trigonal bipyramidal seesaw Hydrogen cyanide, HCN Hydronium ion, H₂0* lodine, 1₂ Ammonium, NH Formaldehyde, CH₂0 t-shaped octahedral Choose tetrahedral Choose.... Yes Choose No (6pts) Draw Lewis structures for each of the following molecules or ions: 4 Group 2 Molecules and lons: N₂, HCN, H3O+, 12, NH4+, CH₂0 From the procedure 5. Repeat steps 1-3 with the Group 2 compounds and then complete Report Table MGP.5. Choose... tetrahedral Choose Choose...…
- Species Lewis Structre Molecular Geometry PF Polarity Resonance Structures? .. Triqunal Purdmidyp Isomerie Forms? XeF. Square Pianar N. PCI Bipyramidg Np Trigonal AIF- Octanedray BIFs :2:1. Complete the following table. Molecular Formula Atom a b C C₂H4O 2. Use the Lewis structure below to complete the following table. d H b Lewis Structure H a H H-C-C C-H H-C-O: H Electron Geometry Line-Angle Structure H H :O: H C ||||-- H H C CC H d Hybridization to 3. Identify the functional groups in the Lewis structure from question #2. Approx. Bond AngleO CHEMICAL BONDING Recognizing typical LCAO molecular orbitals Heather V Stua, che following sketch of a molecular orbital (MO) in a homonuclear diatomic molecule. This MO was formed by combining one 3p atomic orbital from each atom. The dark dots in this sketch are the nuclei. do Now use the sketch to complete the table below. Write the symbol for this MO. O bonding O antibonding O higher Is this a bonding or antibonding MO? On O lower What is the energy of this MO, compared to the energy of a 3p orbital on one of the separate atoms? O the same O not enough information to decide Explanation Check O 2021 McGraw-Hill Education. All Rights Reserved. Terms of Use | Privacy| Accessibility
- 7. Fill in the following table. Remember to minimize formal charge for the best Lewis structure!!! Electron pair Molecular Bond Polar? Molecule/lon| 3D Lewis structure geometry geometry angle(s) (Yes or No) so?- SF4 KrBr2Which of these molecules do not have a dipole moment? (Is non-polar) *dd*人 CI CI P-CI F Fim CI CI CI FIF %3D ČI Select one: O a. POCI3, SO2CI2, and SO3 O b. POCI3 and SO2CI2 Oc. PCI5, SF6, SO3, and SiCl, O d. PCI5 and SiCl4 O e. PCI5, POCI3, SOCI2, S03, and SiCl4Draw the Lewis structure of CĪBR, showing all Identify the molecular geometry of CIBr,. lone pairs. trigonal planar square pyramidal octahedral trigonal pyramidal square planar tetrahedral linear : Br : O T-shaped O trigonal bipyramidal bent see-saw What are the approximate bond angles in CIBR, ? А СІBr, molecule is V 90° O polar. 109.5° O nonpolar. O 120° O 180° Incorrect
- Which of the following molecular geometry is correct? O a. BrF5 - Trigonal bipyramidal O b. BrF3 - T-shape O c. PC15-See-saw O d. SF4 Tetrahedral e. NC13 Trigonal planar3. How do the P-Ci single bond lengths in PCl5, PCl4+, and PCl6- generally compare? 4. Identify the type of bonding the central atom undergoes in PCl5 and PCl6-.Chemical formula & total valence e- PCI Electron Group Geom. Bond Bond Polarity Molecule Lewis Structure Model Sketch & Molec. Geom. Angle (show calc) Polarity CH4 SiO CH,0