MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Identify the coordination sphere in the compound K4[Fe(CN)6]. |
| A. | K<sup>+</sup> |
| B. | Fe<sup>2+</sup> |
| C. | [Fe(CN)<sub>6</sub>]<sup>4-</sup> |
| D. | CN<sup> </sup> |
| Answer» D. CN<sup> </sup> | |
| 2. |
What is the coordination number of chromium in K3[Cr(C2O4)3]? |
| A. | 1 |
| B. | 2 |
| C. | 3 |
| D. | 6 |
| Answer» E. | |
| 3. |
Coordination number is a characteristic of which of the following? |
| A. | Central atom |
| B. | Ligand |
| C. | Coordination entity |
| D. | Coordination compound |
| Answer» B. Ligand | |
| 4. |
The SCN ion is a unidentate ligand. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
A protein can exist in a coordination entity as a ligand. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
How many donor atoms can EDTA4- ligand bind through? |
| A. | 2 |
| B. | 4 |
| C. | 6 |
| D. | 8 |
| Answer» D. 8 | |
| 7. |
Which of the following cannot be a ligand? |
| A. | Ni<sup>2+</sup> |
| B. | Cl<sup> </sup> |
| C. | H<sub>2</sub>O |
| D. | NH<sub>3</sub> |
| Answer» B. Cl<sup> </sup> | |
| 8. |
Which of the following is the central atom/ion in [CoCl(NH3)5]2+? |
| A. | Co |
| B. | Co<sup>2+</sup> |
| C. | Co<sup>3+</sup> |
| D. | Cl<sup> </sup> |
| Answer» D. Cl<sup> </sup> | |
| 9. |
Identify the Lewis acid in K3[Al(C2O4)3]. |
| A. | K<sup>+</sup> |
| B. | Al |
| C. | Al<sup>3+</sup> |
| D. | [Al(C<sub>2</sub>O<sub>4</sub>)<sub>3</sub>]<sup>3-</sup> |
| Answer» D. [Al(C<sub>2</sub>O<sub>4</sub>)<sub>3</sub>]<sup>3-</sup> | |
| 10. |
The central atom/ion of a coordination complex is also referred to as ________ |
| A. | Lewis acid |
| B. | Lewis base |
| C. | Bronsted-Lowry acid |
| D. | Bronsted-Lowry base |
| Answer» B. Lewis base | |
| 11. |
Which of the following is the coordination entity in K2[Zn(OH)4]? |
| A. | K<sup>+</sup> |
| B. | Zn<sup>2+</sup> |
| C. | OH<sup> </sup> |
| D. | [Zn(OH)<sub>4</sub>]<sup>2-</sup> |
| Answer» E. | |