Which of the following is not true about o bonds  o bonds are the 1st bonds made between two atoms  o bonds are formed from end to end overlap of orbitals  o bonds have cylindrical symmetry and are free to rotate around the internuclear axis  a carbon atom participating in 2 or more o bonds must be sp^2 or sp^3 hybridized  none of above Back

SiCl, is used as a starting material in the production of silicon polymers. Describe hybridization schemes for the central atom and the orbital overlap that occur in this halogen compound. ( Si, #Cl) 14 Data for the arrangement of electron pairs about a central atom in a molecule and geometry of the molecule and the shape of hybrid orbitals Number of Molecular Number of hybrid Hybridization of electron pairs geometry orbitals the central atom Linear 2 sp Trigonal planar 3 sp 4 Tetrahedral 4 sp 5 Trigonal 5 sp'd bipyramidal Octahedral 6. sp'd 2. 3.

How many of the following molecules or ions are linear? NH3 OF2 HCN CO₂ NO₂ 0 0 1 O 2 3 4

Picric acid, a benzene derivative shown below, was once used in landmines because it is sensitive to shock. What is the electron domain geometry, hybridization and bond angles of the carbon atoms? NO2 C NO2 NO2

Sigma (o) bonds are formed by: side to side overlap of s orbitals O side to side overlap of p orbitals o end to end overlap of f orbitals end to end overlap of s orbitals

Draw the lewis dot structure for two different isomers for C2H5N. Name the geometrical shapes of the molecules with their bond angles, and determine whether they or polar or non-polar.

Item 33 33 of 33 Complete Part C Predict the shape of PH3. linear trigonal planar bent (109°) bent (120°) trigonal pyramidal tetrahedral

carbon forms 4 covalent bonds because the carbon atom: a) uses 2 electrons in the first sub-level and 2 in the second sub-level b) has 4 orbitals p c) has equivalent s and p orbitals d) uses the s and p orbitals to form 4 equivalent bonds

Question 19 Based on the molecular orbital diagrams for diatomics (page 373 of the text), which of the following hypothetical dications would be DIAMAGNETIC and have a HIGHER BOND ORDER, when compared to the neutral X-X compound? B22+ O N,2+ O F22+

Which molecule has bonds with the greatest polarity? OH2 NH3 CF4 PCl5