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Q. No.Match List I with List II.
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. \(\text { A-IV, B-III, C-II, D-I }\)
| List I | List II |
| (Process) | (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 |
82%
From NCERT
NEET - 2024
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In which of the following processes entropy increases?
A. A liquid evaporates to vapour.
B. Temperature of a crystalline solid lowered from \(130~\text{K}\) to \(0~\text{K}.\)
C. \(2 \mathrm{NaHCO}_{3(\mathrm{~s})} \rightarrow \mathrm{Na}_2 \mathrm{CO}_{3(\mathrm{~s})}+\mathrm{CO}_{2(\mathrm{~g})}+\mathrm{H}_2 \mathrm{O}_{(\mathrm{g})}\)
D. \(\mathrm{Cl}_{2(\mathrm{~g})} \rightarrow 2 \mathrm{Cl}_{(\mathrm{g})}\)
Choose the correct answer from the options given below :
1. \(\text { A, B and D }\)
2. \(\text { A, C and D }\)
3. \(\text { C and D }\)
4. \(\text { A and C }\)
A. A liquid evaporates to vapour.
B. Temperature of a crystalline solid lowered from \(130~\text{K}\) to \(0~\text{K}.\)
C. \(2 \mathrm{NaHCO}_{3(\mathrm{~s})} \rightarrow \mathrm{Na}_2 \mathrm{CO}_{3(\mathrm{~s})}+\mathrm{CO}_{2(\mathrm{~g})}+\mathrm{H}_2 \mathrm{O}_{(\mathrm{g})}\)
D. \(\mathrm{Cl}_{2(\mathrm{~g})} \rightarrow 2 \mathrm{Cl}_{(\mathrm{g})}\)
Choose the correct answer from the options given below :
1. \(\text { A, B and D }\)
2. \(\text { A, C and D }\)
3. \(\text { C and D }\)
4. \(\text { A and C }\)
Subtopic: Spontaneity & Entropy |
73%
From NCERT
NEET - 2024
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The work done during reversible isothermal expansion of one mole of hydrogen gas at 25°C from pressure of 20 atmosphere to 10 atmosphere is :
( Given R = 2.0 cal K-1 mol-1)
1. -413.14 calories
2. 413.14 calories
3. 100 calories
4. 0 calorie
( Given R = 2.0 cal K-1 mol-1)
1. -413.14 calories
2. 413.14 calories
3. 100 calories
4. 0 calorie
Subtopic: First Law of Thermodynamics |
63%
From NCERT
NEET - 2024
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The standard enthalpy of neutralization is \(-57.3 \mathrm{~K}{\mathrm{J}}~ \mathrm{mol}^{-1}\)as:
\(\small{\underset{\text{strong acid}}{\mathrm{HCl_{(aq)}}}+\underset{\text{strong base}}{\mathrm{NaOH_{(aq)}}}\rightarrow\mathrm{NaCl_{(aq)}+H_2O(l),\Delta H=-57.3~KJ mol^{-1}}} \)
The enthalpy of neutralization of \(0.25 \mathrm{~mol}\) of HCI by \(0.25 \mathrm{~mol}\) of \(\mathrm{NaOH}\) is :
1. \(-57.3~ \mathrm{kJ} ~\mathrm{mol}^{-1}\)
2. \(-28.3 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
3. \(-14.32 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
4. \(+57.3~ \mathrm{kJ}~ \mathrm{mol}^{-1}\)
\(\small{\underset{\text{strong acid}}{\mathrm{HCl_{(aq)}}}+\underset{\text{strong base}}{\mathrm{NaOH_{(aq)}}}\rightarrow\mathrm{NaCl_{(aq)}+H_2O(l),\Delta H=-57.3~KJ mol^{-1}}} \)
The enthalpy of neutralization of \(0.25 \mathrm{~mol}\) of HCI by \(0.25 \mathrm{~mol}\) of \(\mathrm{NaOH}\) is :
1. \(-57.3~ \mathrm{kJ} ~\mathrm{mol}^{-1}\)
2. \(-28.3 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
3. \(-14.32 \mathrm{~kJ} \mathrm{~mol}^{-1}\)
4. \(+57.3~ \mathrm{kJ}~ \mathrm{mol}^{-1}\)
Subtopic: Thermochemistry |
62%
NEET - 2024
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Match List-I with List-II:
Choose the correct answer from the options given below:
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
| List-I (Process/Property) |
List-II (Characteristic) |
||
| A. | Adiabatic process | I. | Independent of amount of substance |
| B. | Reversible process | II. | Both way process reactant to product and vice-versa |
| C. | Intensive property | III. | No transfer of heat between system and surrounding |
| D. | Extensive property | IV. | Dependent on 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
Subtopic: Classification of System, Extensive & Intensive Properties |
89%
NEET - 2024
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Enthalpy of combustion of carbon to carbon dioxide is \(-390.0~\text{kJ mol}^{-1}.\) The amount of heat released when \(35.0~\text{g}\) of \(\mathrm{CO_2}\) is formed from the reaction of carbon and dioxygen gas, is:
1. \(310~\text{kJ}\)
2. \(490~\text{kJ}\)
3. \(245~\text{kJ}\)
4. \(700~\text{kJ}\)
1. \(310~\text{kJ}\)
2. \(490~\text{kJ}\)
3. \(245~\text{kJ}\)
4. \(700~\text{kJ}\)
Subtopic: Enthalpy & Internal energy |
66%
From NCERT
NEET - 2024
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Choose the correct statement for the work done in the expansion and heat absorbed or released when 5 litres of an ideal gas at 10 atmospheric pressure isothermally expands into vacuum until the volume is 15 litres:
1. Both the heat and work done will be greater than zero.
2. Heat absorbed will be less than zero and work done will be positive.
3. Work done will be zero and heat will also be zero.
4. Work done will be greater than zero and heat will remain zero.
1. Both the heat and work done will be greater than zero.
2. Heat absorbed will be less than zero and work done will be positive.
3. Work done will be zero and heat will also be zero.
4. Work done will be greater than zero and heat will remain zero.
Subtopic: First Law of Thermodynamics |
From NCERT
NEET - 2024
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For an endothermic reaction:
A. \(q_p \) is negative.
B. \(\Delta _r H\) is positive.
C. \(\Delta _r H\) is negative.
D. \(q_p \) is positive.
Choose the correct answer from the options given below:
1. B and D
2. C and D
3. A and B
4. A and C
A. \(q_p \) is negative.
B. \(\Delta _r H\) is positive.
C. \(\Delta _r H\) is negative.
D. \(q_p \) is positive.
Choose the correct answer from the options given below:
1. B and D
2. C and D
3. A and B
4. A and C
Subtopic: Thermodynamics' Properties and process |
From NCERT
NEET - 2024
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For the following reaction at 300K
\(\mathrm{A}_2(\mathrm{~g})+3 \mathrm{~B}_2(\mathrm{~g}) \rightarrow 2 \mathrm{AB}_3(\mathrm{~g})\)
the enthalpy change is +15 kJ, then the internal energy change is:
1. 19988.4 J
2. 200 J
3. 1999 J
4. 1.9988 kJ
\(\mathrm{A}_2(\mathrm{~g})+3 \mathrm{~B}_2(\mathrm{~g}) \rightarrow 2 \mathrm{AB}_3(\mathrm{~g})\)
the enthalpy change is +15 kJ, then the internal energy change is:
1. 19988.4 J
2. 200 J
3. 1999 J
4. 1.9988 kJ
Subtopic: Enthalpy & Internal energy |
From NCERT
NEET - 2024
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What is the correct relationship between changes in enthalpy and internal energy within the following options?
1. \(\Delta \mathrm{H}+\Delta \mathrm{U}=\Delta \mathrm{nR} \)
2. \(\Delta \mathrm{H}=\Delta \mathrm{U -\Delta n_gRT}\)
3. \(\Delta \mathrm{H}=\Delta \mathrm{U+\Delta n_gRT }\)
4. \(\Delta \mathrm{H} -\Delta \mathrm{U=-\Delta n_gRT}\)
1. \(\Delta \mathrm{H}+\Delta \mathrm{U}=\Delta \mathrm{nR} \)
2. \(\Delta \mathrm{H}=\Delta \mathrm{U -\Delta n_gRT}\)
3. \(\Delta \mathrm{H}=\Delta \mathrm{U+\Delta n_gRT }\)
4. \(\Delta \mathrm{H} -\Delta \mathrm{U=-\Delta n_gRT}\)
Subtopic: Enthalpy & Internal energy |
80%
From NCERT
NEET - 2023
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