MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Life Sciences knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is reduction potential? |
| A. | The molecule loses an electron |
| B. | An atom/molecule gains an electron |
| C. | Reducing the power of an electron |
| D. | Oxidation power of an electron |
| Answer» C. Reducing the power of an electron | |
| 2. |
What is the name of the molecule which donates its electrons? |
| A. | Reducing agent |
| B. | Oxidative agent |
| C. | Standard reduction potential |
| D. | Oxidant |
| Answer» B. Oxidative agent | |
| 3. |
Which of the following equation gives the relationship between G and Keq? |
| A. | G = -RT ln K<sub>eq</sub> |
| B. | G = ln K<sub>eq</sub> |
| C. | G = G (-RT K<sub>eq</sub>) |
| D. | G = -RT ln K<sub>eq</sub> |
| Answer» B. G = ln K<sub>eq</sub> | |
| 4. |
Which of the following factor is not responsible for the actual change in free energy ( G)? |
| A. | Temperature |
| B. | Pressure |
| C. | The initial concentration of reactant and products |
| D. | pH |
| Answer» E. | |
| 5. |
What is the value of G, when a system is in equilibrium? |
| A. | G = 0 |
| B. | G = 1 |
| C. | G = -1 |
| D. | G = G |
| Answer» B. G = 1 | |
| 6. |
Which of the following equation shows the relationship between free energy change ( G) and the change in entropy ( S), under constant temperature and pressure? |
| A. | G = T H S |
| B. | G = T H/ S |
| C. | G = H/T S |
| D. | G = H T S |
| Answer» E. | |
| 7. |
Gibb s free energy is the portion of the total energy which is available for useful work. |
| A. | True |
| B. | False |
| Answer» B. False | |