JEE Main 2022 (Online) 28th July Morning Shift | Thermodynamics Question 51 | Chemistry | JEE Main - ExamSIDE.com

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1

JEE Main 2022 (Online) 28th July Morning Shift

MCQ (Single Correct Answer)

+4

-1

Which of the following relation is not correct?

A

$$\Delta \mathrm{H}=\Delta \mathrm{U}-\mathrm{P} \Delta \mathrm{V}$$

B

$$\Delta \mathrm{U}=\mathrm{q}+\mathrm{W}$$

C

$$\Delta \mathrm{S}_{\text {sys }}+\Delta \mathrm{S}_{\text {surr }} \geqslant 0$$

D

$$\Delta \mathrm{G}=\Delta \mathrm{H}-\mathrm{T} \Delta \mathrm{S}$$

2

JEE Main 2022 (Online) 30th June Morning Shift

MCQ (Single Correct Answer)

+4

-1

$$\Delta$$G$$^\circ$$ vs T plot for the formation of MgO, involving reaction

2Mg + O₂ $$\to$$ 2MgO, will look like :

A

JEE Main 2022 (Online) 30th June Morning Shift Chemistry - Thermodynamics Question 59 English Option 1

B

JEE Main 2022 (Online) 30th June Morning Shift Chemistry - Thermodynamics Question 59 English Option 2

C

JEE Main 2022 (Online) 30th June Morning Shift Chemistry - Thermodynamics Question 59 English Option 3

D

JEE Main 2022 (Online) 30th June Morning Shift Chemistry - Thermodynamics Question 59 English Option 4

3

JEE Main 2022 (Online) 27th June Morning Shift

MCQ (Single Correct Answer)

+4

-1

Match List-I with List-II.

	List - I		List - II
(A)	Spontaneous process	(I)	$$\Delta H < 0$$
(B)	Process with $$\Delta P = 0$$, $$\Delta T = 0$$	(II)	$$\Delta {G_{T,P}} < 0$$
(C)	$$\Delta {H_{reaction}}$$	(III)	Isothermal and isobaric process
(D)	Exothermic Process	(IV)	[Bond energies of molecules in reactants] $$ - $$ [Bond energies of product molecules

Choose the correct answer from the options given below :

A

(A) - (III), (B) - (II), (C) - (IV), (D) - (I)

B

(A) - (II), (B) - (III), (C) - (IV), (D) - (I)

C

(A) - (II), (B) - (III), (C) - (I), (D) - (IV)

D

(A) - (II), (B) - (I), (C) - (III), (D) - (IV)

4

JEE Main 2022 (Online) 25th June Evening Shift

MCQ (Single Correct Answer)

+4

-1

At 25$$^\circ$$C and 1 atm pressure, the enthalpy of combustion of benzene (I) and acetylene (g) are $$-$$ 3268 kJ mol^$$-$$1 and $$-$$1300 kJ mol^$$-$$1, respectively. The change in enthalpy for the reaction 3 C₂H₂(g) $$\to$$ C₆H₆ (I), is :

A

+324 kJ mol^$$-$$1

B

+632 kJ mol^$$-$$1

C

$$-$$ 632 kJ mol^$$-$$1

D

$$-$$ 732 kJ mol^$$-$$1

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