Spontaneity Entropy
High-Yield Trend
Questions 3 MCQs
For a sample of a perfect gas when its pressure is changed isothermally from Pi to Pf, the entropy change is given by:
1.
2.
3.
4.
If for a certain reaction is 30 kJ mol–1 at 450 K, the value of (in JK–1 mol–1) for which the same reaction will be spontaneous at the same temperature is:
| 1. | 70 | 2. | –33 |
| 3. | 33 | 4. | –70 |
| A. | A liquid evaporates to vapour. |
| B. | Temperature of a crystalline solid lowered from to |
| C. | |
| D. |
| 1. | 2. | ||
| 3. | 4. |
Preparing Spontaneity Entropy for NEET
Spontaneity Entropy is a specific sub-topic that frequently appears in the NEET examination. Understanding the underlying principles and practicing targeted questions is key to mastering this concept.
The questions compiled above are previous year questions (PYQs) directly related to Spontaneity Entropy. Practicing these specific questions helps you understand the difficulty level and the examiner's approach to this topic.
Topic Frequently Asked Questions
Is Spontaneity Entropy a high-weightage topic?
You can refer to the priority and consistency badges at the top of this page. High priority topics should be thoroughly revised multiple times before the exam.
Should I memorize the solutions?
No, it is highly recommended to understand the core concept and methodology behind each solution rather than memorizing them, as exact questions are rarely repeated, but the concepts definitely are.