If a refrigerator's door is opened, then we get

(1) Room heated

(2) Room cooled

(3) More amount of heat is passed out

(4) No effect on room

Subtopic:  Enthalpy & Internal energy |
 62%
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Point out the wrong statement in relation to enthalpy

1. It is a state function

2. It is an intensive property

3. It is independent of the path followed for the change

4. Its value depends upon the amount of substance in the system

Subtopic:  Classification of System, Extensive & Intensive Properties |
 70%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following is zero for an isochoric process

1. dP

2. dV

3. dT

4. dE

Subtopic:  Thermodynamics' Properties and process |
 90%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints

Mark the correct statement 

1. For a chemical reaction to be feasible, ΔG should be zero

2. Entropy is a measure of order in a system

3. For a chemical reaction to be feasible, ΔG should be positive

4. The total energy of an isolated system is constant

Subtopic:  Classification of System, Extensive & Intensive Properties |
 73%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Internal energy is an example of [Pb. PMT 2000]

(1) Path function

(2) State function

(3) Both (1) and (2)

(4) None of these

Subtopic:  Classification of System, Extensive & Intensive Properties |
 85%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

The intensive property among these quantities is

(1) Enthalpy

(2) Mass/volume

(3) Mass

(4) Volume

Subtopic:  Classification of System, Extensive & Intensive Properties |
 77%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following is not a state function?

1. ΔS 2. ΔG
3. ΔH 4. ΔQ
Subtopic:  Classification of System, Extensive & Intensive Properties |
 80%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following is true for an adiabatic process [DCE 2002; MP PET 1995, 98, 2004; CPMT 1990; MP PMT 1998, 2002]

1. ΔH = 0

2. ΔW = 0

3. ΔQ = 0

4. ΔV = 0

Subtopic:  Thermodynamics' Properties and process |
 87%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Which of the following is not a state function 

(1) Internal energy

(2) Enthalpy

(3) Work

(4) Entropy

Subtopic:  Thermodynamics' Properties and process |
 88%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh

Among them, intensive property is [AFMC 2004]

1. Mass

2. Volume

3. Surface tension

4. Enthalpy

Subtopic:  Classification of System, Extensive & Intensive Properties |
 80%
From NCERT
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Hints