CHEM 1A Lecture Notes - Euclidean Vector
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Related Questions
If the dipole moment is________ or smaller the molecule will be considered non-polar.
0.1 debye |
0.2 debye |
0.3 debye |
0.4 debye |
If the inter-nuclear distance in Br2 is 218pm, what is the covalent radius of a bromine atom?
a) 160 pm |
b) 218 pm |
c) 109 pm |
d) 65 pm |
Which one of the following compounds is non-polar?
a) SF2 |
b) SF4 |
c) BF3 |
d) NF3 |
What is the ideal bond angle in PH3
180 degrees |
120 degrees |
109.5 degrees |
90 degrees |
Can a molecule with a central atom in trigonal bipyramidal electron group geometry have the formula AX2Y3 and be non-polar?
yes |
no |
you need to know the electronegativity of the central atom. |
you need to know the electronegativities of X and Y. |
What is the ideal bond F-Xe-F bond angle in xenon difluoride?
180 degrees |
120 degrees |
109.5 degrees |
90 degrees |
Which bonding pair will have the longest bond length?
C-N |
C-O |
C-F |
C-Si |
If the C-C bond length is 154 pm and the Se-Se bond length is 238 pm, which of the following values should be closest to the C-Se bond length
205 pm |
119 pm |
77 pm |
196 pm |
Which of the following statements best describes the expected bond lengths in AsF5?
all bond lengths will be the same. |
none of the bond lengths will be the same. |
the atoms bonded in the axial positions will have longer bond lengths than the atoms bonded in the equatorial positions. |
the atoms bonded in the axial positions will have shorter bond lengths than the atoms bonded in the equatorial positions. |
What is the unit most commonly used for dipole moment mesurements?
a) einstein |
b) erg |
c) joule |
d) debye |