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Q. No.

Which of the following is not a state function?

1. Internal energy

2. Enthalpy

3. Work

4. Entropy

Subtopic:  Thermodynamics' Properties and process |
 89%
Level 1: 80%+
Hints
Match List-I with List-II:
List-I List-II
(A) Spontaneous process (I) \(\mathrm{\Delta H<0}\)
(B) Process with \(\mathrm{\Delta P=0,} \mathrm{\Delta T=0}\) (II) \(\mathrm{\Delta G_{T,P}<0}\)
(C) \(\mathrm{\Delta H_{reaction}}\) (III) Isothermal and Isobaric processes
(D) Exothermic Process (IV) [Bond energies of molecules in reactants] – [Bond energies of molecules in reactants]

Choose the correct answer from the options given below:
1. (A)-(III), (B)-(II), (C)-(IV), (D)-(I)
2. (A)-(II), (B)-(III), (C)-(IV), (D)-(I)
3. (A)-(II), (B)-(III), (C)-(I), (D)-(IV)
4. (A)-(II), (B)-(I), (C)-(III), (D)-(IV)
Subtopic:  Thermodynamics' Properties and process |
 88%
Level 1: 80%+
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Match List I with List II.
List-I (Process) List-II (Conditions)
A. Isothermal process I. No heat exchange
B. Isochoric process II. Carried out at constant temperature
C. Isobaric process III. Carried out at constant volume
D. Adiabatic process IV. Carried out at constant pressure
Choose the correct answer from the options given below:
1. \(\text { A-IV, B-II, C-III, D-I }\) 2. \(\text { A-I, B-II, C-III, D-IV }\)
3. \(\text { A-II, B-III, C-IV, D-I }\) 4. \(\text { A-IV, B-III, C-II, D-I }\)
Subtopic:  Thermodynamics' Properties and process |
 87%
Level 1: 80%+
NEET - 2024
Hints
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Given below are two statements:
Assertion (A): Variables like P, V, and T are called state functions.
Reason (R):

Their values depend solely on the system's state, and not on how it is reached.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Thermodynamics' Properties and process |
 85%
Level 1: 80%+
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Given below are two statements:
Assertion (A): Mass and volume are extensive properties.
Reason (R): Mass/volume is also an extensive property.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. Both (A) and (R) are False.
Subtopic:  Thermodynamics' Properties and process |
 82%
Level 1: 80%+
Hints
The magnitude of work done by a gas during a reversible expansion along the path ABC, as shown in the figure, is:
1. 44 Nm 2. 46 Nm
3. 48 Nm 4. 50 Nm
Subtopic:  Thermodynamics' Properties and process | First Law of Thermodynamics |
 84%
Level 1: 80%+
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Match the process name given in column I with the corresponding data in column II and mark the appropriate option. 
Column I Column II
(A) Exothermic (i) \(\Delta H= 0 , \Delta U =0\)
(B) Spontaneous (ii) \(\Delta G=0~\)
(C) Cyclic process (iii) \(\Delta H\) is negative
(D) Equilibrium (iv) \(\Delta G\) is negative 

1. (A) →(ii), (B)→(iii), (C) →(i), (D)→ (iv)
2. (A) →(iv), (B)→(i), (C) →(iii), (D)→ (ii)
3. (A) →(i), (B)→(ii), (C) →(iv), (D)→ (iii)
4. (A) →(iii), (B)→(iv), (C) →(i), (D)→ (ii)
Subtopic:  Thermodynamics' Properties and process | Spontaneity & Entropy |
 88%
Level 1: 80%+
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