Exam 1 Inorganic Chemistry – Flashcards
37 test answers
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The energy for a particle in a box can be described by the equation E= (n^2*h^2)/(8ma^2). Which case will decrease the energy the most?
answer
Double the size of the box
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The energy for a particle in a box can be described by the equation E= (n^2*h^2)/(8ma^2). A smaller atom is expected to exhibit a wave with a ______ frequency at a certain quantum number relative to a larger atom of the same family.
answer
Higher
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Which description about acid/base chemistry is correct?
answer
A Lewis acid is an electron acceptor
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Which statement about polar/nonpolar molecules is incorrect?
answer
NF3 and CCl4 are both polar compounds
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Arrange the following elements: Al, Si, P, S, Cl from the highest first ionization energy to the lowest.
answer
Cl, P, S, Si, Al
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Which one has the lowest ionization energy that removes its first electron?
answer
Mg1+ and Mg
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Which one has the highest ionization energy that removes its second electron?
answer
Mg1+ and Al3+
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What is the geometry of PF5?
answer
Trigonal Bipyramidal
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What is the molecular shape of SF6?
answer
Octahedral
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What is the structure of CO2 and how many lone pair electrons does the carbon atom have?
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linear, 0
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How many compounds below are nonpolar? NF3, CCl4, SO3, CH4 and H2
answer
4
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What is the electron configuration of Cu1+
answer
[Ar]3d10
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Which d orbitals presented below are they, respectively?
answer
dz^2, dx^2-y^2
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Determine the molecular shape and point group of BF3
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triangular; D3h
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Determine the molecular shape and point group of NH4+
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tetrahedral; Td
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Determine the molecular shape and point group of H3O+
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tripodal; C3v
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Determine the molecular shape and point group of trans-PtCl2(NH3)2
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distorted square planar; D2h
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Determine the molecular shape and point group of O3
answer
bent; C2v
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Determine the molecular shape and point group of SO3^2-
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tripodal; C3v
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Determine the molecular shape and point group of SF4
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distorted see-saw; C2v
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Determine the point group of trans-2-butene
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C2h
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Determine the point group of cyclobutadiene
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D2h
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Determine the point group of a rough view of a mug
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Cs
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Determine the point group of a rough view of an empty sand clock shown on the right without sand
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Dinfinityh
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Determine the point group of a rough view of a sand clock shown on the right with sand evenly distributed
answer
Cinfinityv
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What is the principal rotation for BrF5
answer
C4
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Whar is the degree of rotation for a C3 rotation
answer
120 degree
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According to the molecular orbital diagram of H2O, how many non-binding orbitals are there?
answer
1
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What are the operations not found in the point group of D3h?
answer
i
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Which orbitals have the same symmetry and can potentially overlap with dxy orbital
answer
px, py, pi*px-px, pi*py-py
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Which LCAOs of the two F atoms can overlap with the H 1s orbital in the linear [F1-H-F2]- complex?
answer
F1(s)+F2(s) and F1(pz)+F2(pz)
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Which orbital of the center metal M can overlap with the LCAO of Y1(Px)-Y2(Px) in the linear Y1-M-Y2 complex?
answer
dxz
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Which orbital of O can overlap with the LCAO of H1+H2 in the water molecule? The water molecule is on the xz plane
answer
pz
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