1
JEE Main 2022 (Online) 28th July Morning Shift
MCQ (Single Correct Answer)
+4
-1
Which of the following relation is not correct?
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
B
C
D
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 :
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 :
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