Q. No.Which of the following is not a state function?
1. Internal energy
2. Enthalpy
3. Work
4. Entropy
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| 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)
| 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 |
| 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. | \(\text { A-IV, B-III, C-II, D-I }\) |
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| 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. |
| 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. |
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| List-I (Process/Property) |
List-II (Characteristic) |
||
| A. | Adiabatic process | I. | Independent of the amount of substance |
| B. | Reversible process | II. | The reaction can proceed in both directions, from reactants to products and vice versa |
| C. | Intensive property | III. | No transfer of heat between the system and the surrounding |
| D. | Extensive property | IV. | Dependent on the amount of substance |
| 1. | A-II, B-III, C-IV, D-I | 2. | A-I, B-II, C-IV, D-III |
| 3. | A-III, B-II, C-I, D-IV | 4. | A-I, B-II, C-III, D-IV |
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A system that can neither exchange matter nor energy with the surroundings is classified as:
1. Open system
2. Isolated system
3. Closed system
4. Both (1) & (2)
| 1. | H (Enthalpy) | 2. | Q (Heat) |
| 3. | S (Entropy) | 4. | E (Internal Energy) |
| Column I | Column II | ||
| A. | Temperature | i. | Path function |
| B. | Free energy | ii. | State function |
| C. | Heat | ||
| D. | Work |
| Options | (A) | (B) | (C) | (D) |
| 1. | i | ii | ii | i |
| 2. | ii | ii | i | i |
| 3. | i | i | ii | i |
| 4. | ii | ii | ii | i |
Match the terms in List I with their corresponding descriptions in List II:
| List I (Term) | List II (Description) | ||
| A. | Adiabatic process | i. | At constant temperature |
| B. | Isolated system | ii. | No transfer of heat |
| C. | Isothermal change | iii. | Heat |
| D. | Path function | iv. | No exchange of energy and matter |
Codes:
| A | B | C | D | |
| 1. | ii | iv | i | iii |
| 2. | iii | iv | i | ii |
| 3. | iv | iii | i | ii |
| 4. | iv | ii | i | iii |
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