This Quiz is a Simple test for +2 Science group students which contain Questions asked from  Thermodynamics . Just participate in it and te...

This Quiz is a Simple test for +2 Science group students which contain Questions asked from  Thermodynamics . Just participate in it and test your skill. ðŸ’—ðŸ’—ðŸ’—ðŸ’—ðŸ’—ðŸ’—ðŸ’—

Set- 1       Set -2      Set- 3       Set -4        Set- 5       Set -6         Set-7       Set -8       Set- 9       Set -10

Set -1

1. According to Trouton's rule, the value of change in entropy of vaporization is
2. 21 cal. deg–1 mole–1
12 cal. deg– 1 mol
21 kcal. deg. mole–1
12 kcal. deg. mol–1
3. All the naturally occurring processes proceed spontaneously in a direction which leads to
4. decrease of entropy
increase in enthalpy
increase in free energy
decrease of free energy
5. Change in Gibbs free energy is given by
6. Î”G = Î”H + TÎ”S
Î”G = Î”H – TÎ”S
Î”G = Î”H x TÎ”S
Î”G = TÎ”S – Î”H
7. Entropy (S) and the entropy change (Î”S) of a process
8. are path functions
are state functions
are constants
have no values
9. Entropy is a ___________ function
10. state
path
exact
inexact
11. For the reaction 2Cl(g) → Cl2(g), the signs of Î”H and Î”S are respectively
12. +, –
+, +
–, –
–, +
13. Free energy (G) and the free energy change (Î”G) correspond to the
14. system only
surrounding only
system and surrounding
all of these
15. H2O(l) → H2O(g), In this process the entropy
16. remains constant
decreases
increases
becomes zero
17. If Î”G for a reaction is negative, the change is
18. spontaneous
non-spontaneous
reversible
equilibrium
19. In an adiabatic process which of the following is correct?
20. q = w
q = 0
Î”E = q
PÎ”V = 0
21. In SI unit 1 eu is
22. 41.84 EU
4.184 EU
418.4 EU
4184 EU
23. In which of the process is always non-feasible?
24. Î”H > O, Î”S > O
Î”H < O, Î”S > O
Î”H > O, Î”S < O
Î”H < O, Î”S < O
25. Standard free energies of formation of elements are taken as
26. positive
negative
zero
all of these
27. The amount of heat exchanged with the surrounding at constant temperature and pressure is called
28. Î”E
Î”H
Î”S
Î”G
29. The amount of heat exchanged with the surroundings at constant pressure is called
30. Î”E
Î”H
Î”S
Î”G
31. The entropy change (Î”S(fusion)) involved in the process of H2O(s) → H2O(l) at 0°C and 1 atm pressure involving Î”H(fusion= 6008 Jmol–1 is
32. 22.007 Jmol–1 K–1
22.007 Jmol K–1
220.07 Jmol–1 K–1
2.2007 Jmol–1 K–1
33. The entropy change involved in the process water (liq) to water (vapor, 373K) involving Î”Hvap =
34. 10.952 J mol–1 K–1
109.52 J mol–1 K–1
100.952 J mol–1 K–1
1095.2 J mol–1 K–1
35. The network obtained from a system is given by
36. w – PÎ”V
w + PÎ”V
– w + PÎ”V
– w – PÎ”V
37. The percentage efficiency of a heat engine that operates between 127°C and 27°C is
38. 20%
50%
100%
25%
39. Thermodynamic condition for irreversible spontaneous process at constant T and P is
40. Î”G < 0
Î”S < 0
Î”G > 0
Î”H > 0
41. When a liquid boils, there is
42. an increase in entropy
a decrease in entropy
an increase in heat of vaporization
an increase to free energy
43. Which of the following does not result in an increase in the entropy?
44. Rusting of iron
Crystallisation of sucrose from solution
Sublimation of camphor
Conversion of ice to water
45. Which one of the following is a state function?
46. q
Î”q
w
Î”S
47. The entropy change for the following process possessing Î”H(transition) as 2090 J .mol–1 1mole S(Î±, 13°C)  1mole S(Î², 13°C) is
48. 22.007 J. mol –1 K–1
7.307 J. mol–1 K–1
0.314 J. mol–1 K–1
109.52 J.mol–1 K–1
49. For an isothermal process, the entropy change of the universe during a reversible process is:
50. Zero
More
Less
None of the above
51. The SI unit of entropy is :
52. Cal K–1 mol –1
erg K–1 mol –1
J deg–1 mol –2
J K–1 mol –1
53. Which is the correct statement of IInd law of thermodynamics?
54. A process accompanied by decrease in entropy tends to be spontaneous
Efficiency of a machine can be cent percent
It is impossible to transfer heat from a cold body to a hot body by a machine without doing any work
It is possible to convert the input energy completely to work by a machine
55. The percentage efficiency of a heat engine working between the temperature TK and TK (T1 > T2) is given by
56. (T2 – T1 / T2) x 100
(T1 – T2 / T1) x 100
(T1 / T2) x 100
(T2 / T1) x 100
57. The change in entropy for a system and surrounding are – 0.2287 JK–1  and + 0.260 JK–1respectively. Then entropy change of the universe is
58. – 0.0313 JK–1
+ 0.0313 JK–1
+ 0.877 JK–1
– 0.877 JK–1
59. The expression G = H – TS is valid for
60. constant pressure processes
constant temperature and pressure processes
constant temperature processes
constant volume processes
61. In a chemical reaction, when number of molecules of products are more than the number of molecules of reactants
62. entropy increases
entropy decreases
heat of vapourisation increases
free energy increases
63. A process accompanied by increase in entropy tends to be
64. isothermal
spontaneous
non-spontaneous
65. The liquid that deviates from Trouton’s rule is
66. Hydrochloric acid
Sulphuric acid
Phosphoric acid
Acetic acid
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Advanced Chemistry: Thermodynamics chemistry online mock test 1
Thermodynamics chemistry online mock test 1