Multiple
Choice Question Answers.
1. Rotation of phosphorus pentachloride around angle
of
120O
2. Cell constant is mathematically equal to:
L/A
3. Sigma is _____ if theta is_____ radian.
Pi
4. Vibrational spectroscopy is concerned with
Infrared
5. Si = A is theta is______ Degree
90
6. In Schrodinger wave equation, for hydrogen atom
and hydrogen like ions
Theta equation
7. Minimum rotational energy of rigid rotor is
joule.
0
8. Which symmetry element is not present in
octahedral molecules?
C5
9. For cell reactions which species are not
expressed in equilibrium expression
Pure solid
10. Minimum energy of particle in one dimensional
box is multiple of:
Never zero
11. Molar conductance is given as
K/V
12. Order of rotation for water molecule is
360/theta
13. Galvanizing is coating of iron with
Zinc
14. Equivalent conductance is given as KV where Vis
volume of solution
One gram equivalent
15. Rotational energy of rigid rotor in terms of
wave number
BJ(J+1)
16. Corrosion takes place because metal are very
good
Reducing agents
17. A molecule having no threefold axis of symmetry
Dichloromethane
18. Cell constant is
Specific conductance / Electrical conductance
19. Which molecule has six fold axis of symmetry?
Benzene
20. Rotation of molecule around 90 degree bring
4
21.Bond between atoms of gold is covalent according
to theory.
Valence band
22. If a molecule has C2, C3, C4, principal axis
C6
23. Bond between atoms of zinc is always
Covalent
24. In Schrodinger wave equation, si=Asin, si is equal to
0
25. Correct statement.
Rotational energy directly depend on angular
momentum
26. The system more close to reality
Non rigid anharmonic
27. Element having narrow gap between valence band
and conduction band
Silicon
28. Standard cell potential is zero for:
Concentration cell
29. Selection rule for parallel vibrations of
nonlinear triatomic vibrator/Symmetric tops
Selection rules Δυ = +1, ΔJ=0, 1, Δ K = 0
30. Reduction potential of A<B,C, and D
B
31. ________is called unit of angular momentum
hy/2pi
32. One s/m is equal to ms/cm
10
33. When cell reaction reached at equilibrium then
Rate of oxidation = rate of reduction
34. In first excited state of one dimensional box,
probability of finding particle is maximum when x is
a/2
35, ____can undergo sp hybridization
Li anion
36. System internal unit of specific conductance
S/m
37. When a rigid rotor molecule jumps from 3 to J+1,
the energy difference in terms of wave number is given as
2B (J+1)
38.
How many two fold axis of symmetry are present in
CC14?
3
39. When linear rigid jumps from J=0 to J=1, the
energy difference
2B
40. In equilibrium expression and Nernst equation of
following reaction, which specie are not expressed
Zinc
41. In Schrodinger wave equation for hydrogen and
hydrogen like ions, value of principal quantum number is obtained from
Requation
42.____________is unwanted redox reaction.
Corrosion
43. An example of ionogen
Formic acid
44. No vertical plane of symmetry in
Methane
45. Si unit of electric potential is:
J/C
46. in equilibrium expression and Nernst equation of
cell reaction
Pure solid
47. Cell constant having one value of one cm inverse
is equal to meter inverse.
100
48. A molecule having no C2 axis of symmetry.
Ammonia
49. Rotation of phosphorus trichloride around angle
of degree bring it in
Indistinguishable configuration.
180
50. Work done during electrochemical process
Number of moles of electron transferred
51. Rotational energy of rigid rotor in fifth
excited rotational level.
30BX
52. Which one is not quantized?
Moment of inertia
53. Molecule that is microwave inactive
CO2
54. When both anodic and cathodic half reaction
reach at equilibrium, becomes zero.
Cell potential
55. Differential of 2pi x /lambda with respect to X is:
2 pi/lambda
56. Work done on charge to move
Electric potential
57. Rotational frequency of rigid rotor:
BJ (J+1) C
58. Oxidation potential of elements
A
59. The molecule having no symmetry element other
than identity
BCIFCH4
60. 100 Sm is equal to micro/cm
10,000
0 Comments