MCQOPTIONS
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MCQOPTIONS
This section includes 9 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 element has the highest ionisation enthalpy? |
| A. | Scandium |
| B. | Vanadium |
| C. | Copper |
| D. | Zinc |
| Answer» E. | |
| 2. |
Which of the following element has the highest density among transition metals? |
| A. | Iridium |
| B. | Osmium |
| C. | Scandium |
| D. | Chromium |
| Answer» B. Osmium | |
| 3. |
Which of the following is not a very hard metal? |
| A. | Chromium |
| B. | Molybdenum |
| C. | Tungsten |
| D. | Zinc |
| Answer» E. | |
| 4. |
What type of bond do the transition elements form with themselves? |
| A. | Ionic bond |
| B. | Covalent bond |
| C. | Coordinate bond |
| D. | Metallic bond |
| Answer» E. | |
| 5. |
Which of the following is not a property of a transition metal? |
| A. | They are lustrous |
| B. | They are malleable |
| C. | They are ductile |
| D. | They have low boiling points |
| Answer» E. | |
| 6. |
The decrease in atomic size of the d-block elements in a series is small after midway. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
3.Which of the following iswhy the atomic radii of the second and third transition series are almost same? |
| A. | Actinoid contraction |
| B. | Radioactive nature |
| C. | Lanthanoid contraction |
| D. | Filled d-orbital |
| Answer» D. Filled d-orbital | |
| 8. |
Why is there an increase in the atomic radius of transition elements at the end of the period? |
| A. | Increased electron-electron repulsions |
| B. | Decreased electron-electron repulsions |
| C. | Increase in nuclear charge |
| D. | Increase in atomic mass |
| Answer» B. Decreased electron-electron repulsions | |
| 9. |
The d-electrons affect the properties of the transition elements to a great extent. |
| A. | True |
| B. | False |
| Answer» B. False | |