1
WB JEE 2024
+1
-0.25

For a spontaneous process, the incorrect statement is

A
$$\left(\Delta \mathrm{G}_{\text {system }}\right)_{\mathrm{T}, \mathrm{P}}>0$$
B
$$\left(\Delta \mathrm{S}_{\text {system }}\right)+\left(\Delta \mathrm{S}_{\text {surroundings }}\right)>0$$
C
$$\left(\Delta \mathrm{G}_{\text {system }}\right)_{\mathrm{T}, \mathrm{P}}<0$$
D
$$\left(\Delta U_{\text {system }}\right)_{S, v}<0$$
2
WB JEE 2021
+1
-0.25
For a spontaneous reaction at all temperatures which of the following is correct?
A
Both $$\Delta$$H and $$\Delta$$S are positive
B
$$\Delta$$H is positive and $$\Delta$$S is negative
C
$$\Delta$$H is negative and $$\Delta$$S is positive
D
Both $$\Delta$$H and $$\Delta$$S are negative
3
WB JEE 2020
+1
-0.25
An ideal gas expands adiabatically against vacuum. Which of the following is correct for the given process?
A
$$\Delta$$S = 0
B
$$\Delta$$T = $$-$$ve
C
$$\Delta$$U = 0
D
$$\Delta$$P = 0
4
WB JEE 2019
+1
-0.33
For the equilibrium, H2O(l) $$\rightleftharpoons$$ H2O(v), which of the following is correct?
A
$$\Delta$$G = 0, $$\Delta$$H < 0, $$\Delta$$S < 0
B
$$\Delta$$G < 0, $$\Delta$$H > 0, $$\Delta$$S > 0
C
$$\Delta$$G > 0, $$\Delta$$H = 0, $$\Delta$$S > 0
D
$$\Delta$$G = 0, $$\Delta$$H > 0, $$\Delta$$S > 0
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