1
JEE Main 2019 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the reversible isothermal expansion of an ideal gas in a closed system at two different temperatures T1 and T2 (T1 < T2). The correct graphical depiction of the dependence of work done (w) on the final volume (V) is :
A
JEE Main 2019 (Online) 9th January Morning Slot Chemistry - Thermodynamics Question 161 English Option 1
B
JEE Main 2019 (Online) 9th January Morning Slot Chemistry - Thermodynamics Question 161 English Option 2
C
JEE Main 2019 (Online) 9th January Morning Slot Chemistry - Thermodynamics Question 161 English Option 3
D
JEE Main 2019 (Online) 9th January Morning Slot Chemistry - Thermodynamics Question 161 English Option 4
2
JEE Main 2018 (Online) 16th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
At 320 K, a gas A2 is 20% dissociated to A(g). The standard free energy change at 320 K and 1 atm in J mol-1 is approximately : (R = 8.314 JK-1 mol-1; ln2 = 0.693; ln 3 = 1.098)
A
4763
B
2068
C
1844
D
4281
3
JEE Main 2018 (Online) 16th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
For which of the following processes, $$\Delta $$S is negative ?
A
H2(g) $$ \to $$ 2H(g)
B
N2(g, 1 atm) $$ \to $$ N2(g, 5 atm)
C
C(diamond) $$ \to $$ C(graphite)
D
N2(g, 273 K) $$ \to $$ N2(g, 300 K)
4
JEE Main 2018 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following lines correctly show the temperature dependence of equilibrium constant K, for an exothermic reaction? JEE Main 2018 (Offline) Chemistry - Thermodynamics Question 180 English
A
A and D
B
A and B
C
B and C
D
C and D
JEE Main Subjects
EXAM MAP