MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Analytical Instrumentation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Slope factor is independent of temperature. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
The measurement of hydrogen ion concentration can be made by measuring the potential developed in an electrochemical cell. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Which of the following is the relation between the concentration of hydrogen and hydroxyl ions in a basic solution? |
| A. | Value of hydrogen ion concentration is greater |
| B. | Value of hydroxyl ion concentration is greater |
| C. | They are both always the same |
| D. | The concentrations keep changing |
| Answer» C. They are both always the same | |
| 4. |
Which of the following is the relation between the concentration of hydrogen and hydroxyl ions in an acidic solution? |
| A. | Value of hydrogen ion concentration is greater |
| B. | Value of hydroxyl ion concentration is greater |
| C. | They are both always the same |
| D. | The concentrations keep changing |
| Answer» B. Value of hydroxyl ion concentration is greater | |
| 5. |
Which of the following is the value of hydroxyl ion concentration of pure water? |
| A. | 1×107 moles/litre |
| B. | 1×105 moles/litre |
| C. | 1×106 moles/litre |
| D. | 1×108 moles/litre |
| Answer» B. 1×105 moles/litre | |
| 6. |
THE_MEASUREMENT_OF_HYDROGEN_ION_CONCENTRATION_CAN_BE_MADE_BY_MEASURING_THE_POTENTIAL_DEVELOPED_IN_AN_ELECTROCHEMICAL_CELL.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
Slope factor is independent of temperature.$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
Which of the following is the relation between concentration of hydrogen and hydroxyl ions in an acidic solution? |
| A. | Value of hydrogen ion concentration is greater |
| B. | Value of hydroxyl ion concentration is greater |
| C. | They are both always the same |
| D. | The concentrations keep changing |
| Answer» B. Value of hydroxyl ion concentration is greater | |
| 9. |
The Nernst equation is given by which of the following statements? |
| A. | E=E<sub>o</sub> + 2.303 RT/F log CH |
| B. | E=E<sub>o</sub> – 2.303 RT/F log CH |
| C. | E=E<sub>o</sub> + 2.303 RT√óF log CH |
| D. | E=E<sub>o</sub> – 2.303 RT×F log CH |
| Answer» B. E=E<sub>o</sub> ‚Äö√Ñ√∂‚àö√ë‚àö¬® 2.303 RT/F log CH | |
| 10. |
Which of the following is the relation between hydrogen and hydroxyl ion concentration of pure water? |
| A. | Value of hydrogen ion concentration is greater |
| B. | Value of hydroxyl ion concentration is greater |
| C. | They are both always the same |
| D. | The concentrations keep changing |
| Answer» D. The concentrations keep changing | |
| 11. |
Which of the following is the value of hydrogen ion concentration of pure water? |
| A. | 1√ó10<sup>7</sup> moles/litre |
| B. | 1√ó10<sup>5</sup> moles/litre |
| C. | 1√ó10<sup>6</sup> moles/litre |
| D. | 1√ó10<sup>8</sup> moles/litre |
| Answer» B. 1‚Äö√†√∂‚àö‚â•10<sup>5</sup> moles/litre | |
| 12. |
Pure water is known to be which of the following? |
| A. | Weak electrolyte |
| B. | Strong electrolyte |
| C. | Neither weak nor strong |
| D. | Not an electrolyte |
| Answer» B. Strong electrolyte | |
| 13. |
Which of the following is the formula for pH calculation? |
| A. | log10[H+]. |
| B. | -log10[H+]. |
| C. | log2[H+]. |
| D. | -log2[H+]. |
| Answer» C. log2[H+]. | |