WorksheetsSymmetry and Bonding
Total questions: 26
Worksheet time: 15mins
What is the point group of water?
C2v
C2h
D2v
D2h
What is the point group of this molecule?
D3d
D3
S6
C3
What is the point group of this molecule?
D4
C4v
D4d
S8
How many classes in the point group C3v?
(a)
What is the order of a water molecule?
(a)
What is/are the group that has a high symmetry?
C∞h
Td
Oh
Ih
What is the answer for the given matrix? (Answer format: 1st row: 1st column, 2nd column
-19 -9
-28 4
-18 5
0 4
-19 9
-28 4
18 -5
0 -4
What is the point group of naphthalene?
C2h
D2h
C2
D2d
BH3 and NH3 possess trigonal planar and trigonal pyramidal structures, respectively. What symmetry
elements possessed by both molecules?
Vertical sigma plane
Inversion point
S6 rotoreflection
Horizontal sigma plane
The (a) operation takes a point through the center of symmetry of the molecule to an equal distance on the other side.
What is the point group of chloroethane-staggered?
(a)
What is the point group of this molecule?
C2h
S4
D2h
C2
What is the correct term for this (green highlight)?
(a)
What does the x, y and z represent?
Rotational mode
Vibrational mode
Translational mode
IR active
What does Rx, Ry and Rz represent? (one word only)
(a)
What column would be useful in detecting if the molecule is Raman active?
Column 1
Column 2
Column 3
Column 4
The sum of the squares of the dimensions is equal to the (a) ?
What does this quadratic function represent as an orbital? (This can be seen in the character table)
Dz2
Dx2-y2
Dxy
None
What is the point group of this molecule?
C6h
D6h
S12
None of the choices
What is the correct general term for A/B, E and T in a character table?
Mulliken symbol
Dimensional irreducible
Reducible representation
Nothing, it is just letters
What does the "u" represent?
Gold
Presence of inversion center
Absence of inversion center
Inversion with respect to the second element
The 21st alphabet
Chiral species have what type of symmetry operation?
Cn
σ
i
Sn
True or False: Water would be Raman active.
True
False
What is the character when the symmetry representation is A1 and the symmetry operation is E in D2d point group? (The answer is a number)
(a)
What are the symmetry operations of water?
E'
C2
σxz
σxy
C22
Integrate this equation: ∫xy (2x2+x)dx
Option 1 - JONKS, click ninyo 'to
Click mo 'yung option 1
32x3+21x2
Pre, kung ako sa'yo click mo 'yung option 1
