Use the following Lewis diagram for ethanol to answer the questions: H H +++ 1 2 3.. H H H H Remember that geometry refers to the geometry defined by the atoms, not the electron pairs. The geometry about atom C₁ is The ideal value of the C-C-O angle at atom C₂ is The geometry about atom O3 is degrees.

Use the following Lewis diagram for ethanol to answer the questions: H H +++ 1 2 3.. H H H H Remember that geometry refers to the geometry defined by the atoms, not the electron pairs. The geometry about atom C₁ is The ideal value of the C-C-O angle at atom C₂ is The geometry about atom O3 is degrees.

Introductory Chemistry: An Active Learning Approach

6th Edition

ISBN:9781305079250

Author:Mark S. Cracolice, Ed Peters

Publisher:Mark S. Cracolice, Ed Peters

Chapter13: Structure And Shape

Section: Chapter Questions

Problem 31E

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7.30 The bond in HF is said to be polar, with the hydrogen carrying a partial positive charge. For this to be true, the hydrogen atom must have less than one electron around it. Yet the Lewis dot structure of HF attributes two electrons to hydrogen. Draw a picture of the electron density distribution for HF and use it to describe how the hydrogen atom can carry a partial positive charge. How can these two models of the HF bond (the electron density and the Lewis structure) seem so different and yet describe the same thing?
Is the Cl2BBCl2 molecule polar or nonpolar?
For each of the following molecules or ion. indicate the bond angle expected between the central atom and any two adjacent chlorine atoms. msp;a.Cl2Ob.NC13c.CCl4d.C2Cl4
CH3COCH3 (acetone) is a common laboratory solvent that is often used in nail polish remover. Its Lewis structure and space-filling molecular image are shown here: Acetone is a polar molecule; the oxygen end has a slightly negative charge (oxygen is more electronegative), whereas the carbon and hydrogen end has a slightly positive charge. In liquid acetone, the molecules are attracted to each other via these polar ends-the positive end of one molecule is attracted to the negative end of its neighbor-and therefore align as shown here: Draw a Lewis structure and space-filling molecular image for CH2Cl2 (dichloromethane), another common laboratory solvent. Is the molecule polar? Which end of the molecule has a slightly negative charge? Which end has a slightly positive charge? Draw several space-filling molecular images of CH2Cl2 showing how they align in liquid dichloromethane.
Acrolein is the starting material for certain plastics. (a) Which bonds in the molecule are polar and which are nonpolar? (b) Which is the most polar bond in the molecule? Which atom is the partial negative end of this bond?
Use the Molecule Shape simulator (http://openstaxcollege.org/I/6MolecShape) to build a molecule. Starting with the central atom, click on the double bond to add one double bond. Then add one single bond and one lone pair. Rotate the molecule to observe the complete geometry. Name the electron group geometry and molecular structure and predict the bond angle. Then click the check boxes at the bottom and right of the simulator to check your answers.
rite a Lewis structure for each of the following simple molecules. Show all bonding valence electron pairs as lines and all nonbonding valence electron pairs as dots. msp;a.GeH4c.NI3b.ICld.PF3
Indicate whether each of the following molecules is polar or nonpolar. The molecular geometry is given in parentheses. a. NF3 (trigonal pyramidal with N at the apex) b. NF2Cl (trigonal pyramidal with N at the apex) c. CS2 (linear with C in the center position) d. CHCl3 (tetrahedral with C in the center position)
Consider the following compounds: CO2, SO2, KrF2, SO3, NF3, IF3, CF4, SF4, XeF4, PF5, IF5, and SCl6. These 12 compounds arc all examples of different molecular structures. Draw the Lewis structures for each and predict the molecular structure. Predict the bond angles and the polarity of each. (A polar molecule has a net dipole moment, while a nonpolar molecule docs not.) See Exercises 115 and 116 for the molecular structures based on the trigonal bipyramid and the octahedral geometries.
State whether or not each of the following has a permanent dipole moment. a. b. c. d. e. f.
Successive substitution of F atoms for H atoms in the molecule NH3 produces the molecules NH2F, NHF2, and NF3. a. Draw Lewis structures for each of the four molecules. b. Using VSEPR theory, predict the geometry of each of the four molecules. c. Specify the polarity (polar or nonpolar) for each of the four molecules.
Indicate whether each of the following triatomic molecules is polar or nonpolar. The molecular geometry is given in parentheses. a. ONBr (angular with N in the center position) b. OF2 (angular with O in the center position) c. SO2 (angular with S in the center position) d. H2S (angular with S in the center position)