# For the reaction, 2Cl(g) $\to$ Cl2(g), the correct option is: 1.  2.  3.  4.

Subtopic:  Enthalpy & Internal energy | Spontaneity & Entropy |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

1.

2.

3.

4.

Subtopic:  2nd & 3rd Law of Thermodynamics |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

Hydrolysis of sucrose is given by the following reaction

Sucrose + H2$⇌$ Glucose + Fructose

If the equilibrium constant (Kc) is 2$×$1013 at 300 K, the value of ${∆}_{r}{G}^{⊝}$ at the same temperature will be:

1. 8.314 J mol-1 K-1$×$300 K$×$ln (2$×$1013)

2. 8.314 J mol-1 K-1$×$300 K$×$ln (3$×$1013)

3. -8.314 J mol-1 K-1$×$300 K$×$ln (4$×$1013)

4. -8.314 J mol-1 K-1$×$300 K$×$ln (2$×$1013)

Subtopic:  Gibbs Energy Change |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

If for a certain reaction ${∆}_{r}H$ is 30 kJ mol–1 at 450 K, the value of ${∆}_{r}S$ (in JK–1 mol–1) for which the same reaction will be spontaneous at the same temperature is:

1. 70

2. –33

3. 33

4. -70

Subtopic:  Spontaneity & Entropy |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

At standard conditions, if the change in the enthalpy for the following reaction is -109 kJ mol-1

H2(g)+Br2(g) $\to$2HBr(g)

and the bond energy of H2 and Br2 is 435 kJ mol-1 and 192 kJ mol-1, respectively, what is the bond energy (in kJ mol-1) of HBr?

1. 368

2. 736

3. 518

4. 259

Subtopic:  Thermochemistry |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

Reversible expansion of an ideal gas under isothermal and adiabatic conditions are as shown in the figure:

AB$\to$Isothermal expansion

AC$\to$Adiabatic expansion

Which of the following options is not correct?

1. $∆{S}_{isothermal}>∆{S}_{adiabatic}$

2. ${T}_{A}={T}_{B}$

3. ${W}_{isothermal}>{W}_{adiabatic}$

4. ${T}_{C}>{T}_{A}$

Subtopic:  2nd & 3rd Law of Thermodynamics |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

An ideal gas expands isothermally from  at 300 K against a constant pressure of . The work done by  the gas is:

1. +270 kJ

2. -900 J

3. +900 kJ

4. -900 kJ

Subtopic:  First Law of Thermodynamics |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

Which one among the following is the correct option for right relationship between Cp and CV for one mole of an ideal gas ?

1. ${\mathrm{C}}_{\mathrm{P}}={\mathrm{RC}}_{\mathrm{V}}$

2. ${\mathrm{C}}_{\mathrm{V}}={\mathrm{RC}}_{\mathrm{P}}$

3. ${\mathrm{C}}_{\mathrm{P}}+{\mathrm{C}}_{\mathrm{V}}=\mathrm{R}$

4. ${C}_{\mathrm{P}}-{\mathrm{C}}_{\mathrm{V}}=\mathrm{R}$

Subtopic:  Cp & Cv |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

For irreversible expansion of an ideal gas under isothermal condition, the correct option is :

1.

2.

3.

4.

Subtopic:  Spontaneity & Entropy |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
Launched MCQ Practice Books

Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot

In which case, change in entropy is negative?

1.

2.  Evaporation of water

3.  Expansion of a gas at a constant temperature

4.  Sublimation of solid to gas

Subtopic:  Gibbs Energy Change |
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2023 - Target Batch - Aryan Raj Singh