Number of lone pairs of electrons associated with central atom (LP) Lewis Structure Diagram Number of electron groups associated with the central atom (EG) Molecular shape (MS) Bond angle(s) Hybridization Number of sigma bonds (0) -- Single Bond Number of bonds (π) -- Double bonds/Triple bonds Overall dipole (yes/no ---- if yes, include below) 3D drawing (VSEPR SHAPE) XeF4 PCI, SO₂

Number of lone pairs of electrons associated with central atom (LP) Lewis Structure Diagram Number of electron groups associated with the central atom (EG) Molecular shape (MS) Bond angle(s) Hybridization Number of sigma bonds (0) -- Single Bond Number of bonds (π) -- Double bonds/Triple bonds Overall dipole (yes/no ---- if yes, include below) 3D drawing (VSEPR SHAPE) XeF4 PCI, SO₂

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter1: Bond Angles And Shape

Section: Chapter Questions

Problem 12CTQ: Consider the following flat drawing of methane (CH4) . a. What is HCH bond angle implied by this...

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Consider the following flat drawing of methane (CH4) . a. What is HCH bond angle implied by this drawing if you assume it is flat? b. Are the electron domains of this flat CH4 spread out as much as possible? c. Use model materials to make a model of CH4 (methane). If you assembled it correctly, thefour bonds (bonding electron domains) of your model will be 109.5° apart. d. In which representation, the drawing above or the model in your hand (circle one) are theH’s of CH4 more spread out around the central carbon? e. Confirm that your model looks like the following drawing. The wedgebond represents a bond coming out of the page, and the dash bondrepresents a bond going into the page f. You will often see methane drawn as if it were flat (like on the previous page). Why is thismisleading, and what is left to the viewer’s imagination when looking at such a drawing?
Sec. No. Date: ame: Molecular Structure Report Sheet On Central atom lone e Valence Bonding e Domains Pairs Molecular Geometry VSEPR VSEPR Molecule Lewis Dot Geometry Shell e Domains Formula or lon Structure (ехample) Н:О Tetrahedral Bent AX E 4 2 2 н H H tetta hodhtetahd l CHH:C:H trigane pyranita AXEtetahete NHs AXELInGrLiner 2 со: Вн NH4 НаО" SO2 ని
Consider the ring cation, called "cyclopentadienyl cation".... one of five possible resonance structures that can be drawn for it is shown below. In the actual ring cation, what is the charge on any one carbon atom, and what is the bond order of any one C,C bond? ? charge on one C = ? bond order of C,C bond = Select one: O A. +2/5; 4/3 OB. + 1/6; 1.5 O C. + 2/5; 7/5 O D. + 1/5; 6/5 O E. + 1/5; 7/5
Consider the ring cation, called "cyclopentadienyl cation".... one of five possible resonance structures that can be drawn for it is shown below. In the actual ring cation, what is the charge on any one carbon atom, and what is the bond order of any one C,C bond? 4? charge on one C = ? bond order of C,C bond ? Select one: O A. +2/5; 4/3 OB. + 1/6; 1.5 O C. + 2/5; 7/5 OD. + 1/5; 6/5 O E. + 1/5; 7/5
Molecule or Polyatomic HOCI NO₂ N₂H4 H₂O₂ Hint: the oxygens are connected (CH3)2NH Lewis structure H¬O—CI: | : 0=N–6: H-N-N-H H H H-0-0-H H H H-C-N -C-H .. HHH Hybrid- ization AXE 3 sp AX₂E2 2 sp² AX₂E 3 sp³ AX3E 3 sp AX₂E2 3 AX3E Electron pair geometry Molecular shape tetrahedral bent trigonal planar bent tetrahedral trigonal pyramidal tetrahedral bent tetrahedral trigonal pyramidal Bond angles ~109.5° ~109.5° all ~109.5° all ~109.5° all ~109.5° Bond Polarity Molecular Polarity if the molecule is polar, add a dipole arrow if not polar, state so and why H H H²O-OH Н H H" H H H Н Cl H 'H H
Complete the following table: Lewis structure atoms: bonds between orbitals making each total bond order hybridization atoms: type E valence bond: between two atoms |Н: 1s C and H: o sp?(C) + 1s(H) C and H: 1 C: sp? Cl: sp3 0: sp? :0: || C and Cl: o sp?(C) + sp°(CI) C and Cl: 1 = sp?(C) + sp²(0) = p(C) + p(0) C and O: o C and O: 2 CI C and O: t C: C and C: C and C: C and C: C: H-C=C-H H: C and H: C and C: H: C and H: N: N and I: N and I: N= I: N and I: C: C and Cl: C and Cl: :Cl Cl: C and Cl: C and Cl: Cl: C and Cl: -c=cl: C and Cl: :Z: :U:
Consider a molecule AB, where element A has 6 valence electrons and B has 7 valence electrons. If the AEn for each bond = 1.2, predict the shape, bond hybridization and polarity (polar or non-polar) of the molecule. Your answer should follow the format: a) number of total electrons for bonding; b) Steric Number and Lone Pairs; c) name of shape based on the VSEPR chart, d) bond hybridization and e) molecular polarity.
Answer the following items as required. A. For the following sets of atomic orbitals: 1. s+ px 2. px + dx?-y? 3. py + dxy Based on Valence Bond Theory: (a) Draw the overlapping of atomic orbitals. (b) Draw the bond axis and label the location where the electron density is high. (c) Classify the bond formed as to sigma or pi. II.
ar moiecuie 2. CHCI, Steric Number= 3-D Sketch (use wedges and dashes as appropriate) BALPA= :ci-c-CI: Bond angle(s) | Shape = Hybridization #o bonds = #n bonds = Y Polar molecule? Circle one:
| Constants | Periodic Submit Previous Answers v Correct The highest energy electron is in an antibonding orbital for Lig Part C Use the MO diagrams to calculate the bond order for Lig+ and Lig Express the bond order for Liz+ followed by the bond order for Li2 separated by a comma. V ΑΣφ ? bondJorder for Lig+, Li2 = Your submission doesn't have the correct number of answers. Answers should be separated with a comma. No credit lost. Try again. Submit Previous Answers Request Answer Part D Which do you expect to exist in the gas phase. P Pearson 21 Pearson Education Inc. All rights reserved. Terms of Use l Privacy Policy Permissions| Contact Us | 5:29 PM 61% 84°F Sunny 11/13/20 Home End Insert Delete F10 F11 F12 Backspace NumLock
II. Answer the following items as required. А. (a) overlapping of orbitals (b) bond axis & electron density Hint: s can overlap with p, along the Given set of orbitals (c) sigma or pi 1. s + P, у-аxis 2. P, + dx²-y? Hint: the two orbitals can overlap along the x axis. 3. py + dxy
Describe each highlighted bond in terms of the overlap of atomic orbitals. (If the highlighted bond is not a pi bond, select the blank option from the dropdown menu.) Compound 1: H H H-C-C-C-N: H -I H H Molecular orbital type: Atomic orbitals in the sigma bond: Atomic orbitals in the pi bond: Compound 2: H H CIH H-C-C-C H H CIH O H H Molecular orbital type: Atomic orbitals in the sigma bond: Atomic orbitals in the pi bond: H :N H C C ♥ C (> C