MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following complex compounds will have minimum conductance in solution? |
| A. | [Co(NH<sub>3</sub>)<sub>3</sub>Cl<sub>3</sub>] |
| B. | [Co(NH<sub>3</sub>)<sub>4</sub>Cl<sub>2</sub>]Cl |
| C. | [Co(NH<sub>3</sub>)<sub>6</sub>]Cl<sub>3</sub> |
| D. | [Co(NH<sub>3</sub>)<sub>5</sub>Cl]Cl<sub>2</sub> |
| Answer» B. [Co(NH<sub>3</sub>)<sub>4</sub>Cl<sub>2</sub>]Cl | |
| 2. |
Which of the following statements is true regarding ionic speed? |
| A. | It is independent of the size of the ion |
| B. | It depends on the potential difference between the two electrodes |
| C. | It is independent of the concentration of the electrolyte |
| D. | It is independent of the charge of the ion |
| Answer» C. It is independent of the concentration of the electrolyte | |
| 3. |
Which of the following is ionic mobility independent of? |
| A. | Size of ion |
| B. | Charge on ion |
| C. | Distance of separation between the electrodes |
| D. | Concentration of electrolyte |
| Answer» D. Concentration of electrolyte | |
| 4. |
Which of the given solutions have an equal value of molar conductivity and equivalent conductivity? |
| A. | 1M BaSO<sub>4</sub> |
| B. | 1M KCl |
| C. | 1M BCl<sub>3</sub> |
| D. | 1M CaSO<sub>4</sub> |
| Answer» C. 1M BCl<sub>3</sub> | |
| 5. |
Which of the following is an additive property? |
| A. | Surface tension |
| B. | Viscosity |
| C. | Conductance |
| D. | Volume |
| Answer» D. Volume | |
| 6. |
Which of the following salts show maximum value of equivalent conductance in their fused state? |
| A. | NaCl |
| B. | KCl |
| C. | RbCl |
| D. | CsCl |
| Answer» E. | |
| 7. |
Which of the following conditions are satisfied when the electrolytic solutions are infinitely dilute? |
| A. | Electrolyte is 100% dissociated |
| B. | Interionic effects increase |
| C. | Conductance is infinite at infinite dilution |
| D. | Molecules continue to exist in solution |
| Answer» B. Interionic effects increase | |
| 8. |
What is the value of the cell constant when the conductance of an electrolytic solution is equal to its conductivity? |
| A. | 0 |
| B. | 1 |
| C. | 10 |
| D. | 100 |
| Answer» C. 10 | |
| 9. |
Which of the following solutions has theleast value of conductivity? |
| A. | 0.01M Na<sub>2</sub>SO<sub>4</sub> |
| B. | 0.01M NaCl |
| C. | 0.01M CH<sub>3</sub>COOH |
| D. | 0.01M HCl |
| Answer» D. 0.01M HCl | |
| 10. |
Which of the following statements is correct regarding the conductivity of solutions of electrolytes? |
| A. | It is independent of the size of the ions |
| B. | It is independent of the viscosity of the solution |
| C. | It depends on the solvation of ions present in solution |
| D. | It decreases with temperature |
| Answer» D. It decreases with temperature | |
| 11. |
The limiting equivalent conductance for weak electrolytes can be calculated using Kohlrausch s law. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
Which of the following statements is correct with respect to electrolytic solutions? |
| A. | Its conductance increases with dilution |
| B. | Its conductance decreases with dilution |
| C. | Its conductivity increases with dilution |
| D. | Its equivalent conductance decreases with dilution |
| Answer» B. Its conductance decreases with dilution | |
| 13. |
Which of the following scientists stated that the equivalent conductivity of an electrolyte at infinite dilution is equal to the sum of the conductances of the ions and cations? |
| A. | Svante Arrhenius |
| B. | Friedrich Kohlrausch |
| C. | Hermann Kolbe |
| D. | Antoine Lavoisier |
| Answer» C. Hermann Kolbe | |
| 14. |
Which of the following solutions cannot conduct electricity? |
| A. | Sugar in water |
| B. | NaCl in water |
| C. | MgCl<sub>2</sub> in water |
| D. | KCl in water |
| Answer» B. NaCl in water | |
| 15. |
The voltameter is an instrument in which electrical energy is converted to chemical energy. |
| A. | True |
| B. | False |
| Answer» B. False | |