12. Molecular Shapes & Valence Bond Theory

Bond Angles

Multiple Choice
Determine the bond angle for the thiocyanate ion, SCN^–.
Multiple Choice
In the PCl₃F₂ molecule the chlorine atoms exist in the equatorial positions and the fluorine atoms exist in the axial positions. Based on this information, predict the Cl–P–Cl bond angle.
Multiple Choice
Determine the O–N–O bond angle for N₂O₄, which exists as O₂N–NO₂.
Multiple Choice
What are the H−N−H bond angles in NH₃?
Multiple Choice
How many sigma bonds can a central atom with the electron configuration 3s²3p³ make without hybridization?
Multiple Choice
DEET, or N,N-diethyl-m-toluamide, is used in many insect repellents. How many sp² carbons are there in the following structure?
Multiple Choice
Which of the following is a false statement about double bonds?
Open Question
Predict the ideal bond angles around each central atom in this molecule.
Open Question
Determine the shape and bond angle of these oxynitrogen ions.
Open Question
Give approximate values for the indicated bond angles in the molecule shown.
Open Question
Select the correct value for the indicated bond angle in each of the compounds.
Open Question
Identify the optimum c–c–c bond angle for each of the indicated carbon atoms in the molecule.
Open Question
In cumulene, what are the C=C=C and H-C-H bond angles, respectively?
Open Question
Based on the bond angles in CH₄, NH₃, and H₂O, rank the magnitude of these repulsions.
Open Question
Acids are electrolytes that, when dissolved in water, release ______ ions.