Entropy & Spontaneity: JEE Questions & Solutions
6 previous-year JEE Chemistry questions on Entropy & Spontaneity, each with a worked step-by-step solution.
Previous-year questions
- 01
Ice at -5^ C is heated to become vapor with temperature of 110^ C at atmospheric pressure. The entropy change associated with this process…
MCQMediumJEE 2025 - 02
The effect of temperature on the spontaneity of reactions are represented as: array|c|c|c|c| H & S & Temperature & Spontaneity + & - & any…
MCQMediumJEE 2025 - 03
Let us consider an endothermic reaction which is non-spontaneous at the freezing point of water. However, the reaction is spontaneous at…
MCQEasyJEE 2025 - 04
Standard entropies of X2, Y2 and XY5 are 70 J K^-1 mol^-1, 50 J K^-1 mol^-1, and 110 J K^-1 mol^-1 respectively. The temperature in Kelvin…
NVAEasyJEE 2025 - 05
Which of the following relations are correct?
MCQEasyJEE 2023 - 06
30.4 kJ of heat is required to melt one mole of sodium chloride and the entropy change at the melting point is 28.4 J K^-1 mol^-1 at 1 atm.…
NVAEasyJEE 2023
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