Enthalpy Internal Energy
High-Yield Trend
Questions 5 MCQs
Given the following reaction:
→
The enthalpy change for the reaction is -869.6 kJ. The dissociation energy of the H-H bond is:
1. -869.6 kJ
2. +434.8kJ
3. +217.4kJ
4. -434.8 kJ
The standard enthalpy of vaporization for water at 100 oC is 40.66 kJ mol–1. The internal energy of vaporization of water at 100 oC (in kJ mol–1) is:
(Assume water vapour behaves like an ideal gas.)
| 1. | +37.56 | 2. | –43.76 |
| 3. | +43.76 | 4. | +40.66 |
For a reaction AB, enthalpy of reaction isΒ Β Β and enthalpy of activation isΒ Β . The correct potential energy profile for the reaction is:
| 1. | 2. | ||
| 3. | 4. |
1.
2.
3.
4.
Which of the following diagrams gives an accurate representation of the above reaction?
[Rβreactants; Pβproducts]
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Preparing Enthalpy Internal Energy for NEET
Enthalpy Internal Energy 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 Enthalpy Internal Energy. Practicing these specific questions helps you understand the difficulty level and the examiner's approach to this topic.
Topic Frequently Asked Questions
Is Enthalpy Internal Energy 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.