Spontaneity is an important topic in the Chemistry section in VITEEE exam. Practising this topic will increase your score overall and make your conceptual grip on VITEEE exam stronger.
This article gives you a full set of VITEEE PYQs for Spontaneity with explanations for effective preparation. Practice of VITEEE Chemistry PYQs including Spontaneity questions regularly will improve accuracy, speed, and confidence in the VITEEE 2026 exam.
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VITEEE PYQs for Spontaneity with Solutions
1.
The work done in ergs for the reversible expansion of one mole of an ideal gas from a volume of 10 liters to 20 liters at 25° is
2.303 ×298 ×0.082log2
298 ×107 ×8.31 ×2.303log2
2.303 ×298 × 0.082log0.5
2.303×298×2log2
2.
Condition for spontaneity in an isothermal process is- $\Delta A + W < 0$
- $\Delta G + U < 0$
- $\Delta A + U > 0$
- $\Delta G - U < 0$
3.
The reaction,Zn(s) + CuSO4(aq) $\rightarrow$ZnSO4(aq) + Cu(s) is an example of a- spontaneous process
- isobaric process
- non-spontaneous process
- reversible process
4.
A certain reaction is non spontaneous at 298K. The entropy change during the reaction is 121 $JK^{-1}.$ Is the reaction is endothermic or exothermic ? The minimum value of $\Delta$H for the reaction is- endothermic, $\Delta H=36.06 KJ$
- exothermic, $\Delta H=-36.06 KJ$
- endothermic, $\Delta H=60.12KJ$
- exothermic, $\Delta H=-60.12KJ$
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