MCQOPTIONS
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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 is the correct order for the stability of plus one oxidation State? |
| A. | Ga < In < Tl |
| B. | Ga < In > Tl |
| C. | Ga > In < Tl |
| D. | Ga > In > Tl |
| Answer» B. Ga < In > Tl | |
| 2. |
The metallic character of __________ is less than that of alkaline earth metals. |
| A. | Boron family |
| B. | Alkali metals |
| C. | Magnesium |
| D. | Hydrogen |
| Answer» B. Alkali metals | |
| 3. |
What forms when boron combines with caustic soda? |
| A. | Formation of oxygen |
| B. | Formation of washing soda |
| C. | Formation of Boron nitride |
| D. | Formation of sodium borate |
| Answer» E. | |
| 4. |
When boron reacts with nitrogen which of the following compound is formed? |
| A. | Boron oxide |
| B. | Boron nitrate |
| C. | Boron hydrides |
| D. | Boron nitride |
| Answer» E. | |
| 5. |
What is the chemical formula of aluminium carbide? |
| A. | AlC |
| B. | AlC3 |
| C. | AlC2 |
| D. | AC3 |
| Answer» C. AlC2 | |
| 6. |
The compounds formed by the Boron family are __________ |
| A. | ionic |
| B. | covalent |
| C. | both ionic and covalent |
| D. | neither ionic nor covalent |
| Answer» D. neither ionic nor covalent | |
| 7. |
Complex formation is more likely to be possible in __________ |
| A. | alkali metals |
| B. | alkaline earth metals |
| C. | boron family |
| D. | equally likely |
| Answer» D. equally likely | |
| 8. |
Which of the following is true regarding reducing character? |
| A. | Gallium < aluminium > indium > thallium |
| B. | Aluminium > gallium > indium > thallium |
| C. | Aluminium > gallium < indium > thallium |
| D. | Gallium > aluminium > indium > thallium |
| Answer» C. Aluminium > gallium < indium > thallium | |
| 9. |
Which of the following element exhibits + 3 Oxidation State only? |
| A. | Gallium |
| B. | Thallium |
| C. | Indium |
| D. | Aluminium |
| Answer» E. | |
| 10. |
Inert pair affect __________ down the group. |
| A. | Increases |
| B. | Decreases |
| C. | Constant |
| D. | Is a regular |
| Answer» B. Decreases | |
| 11. |
The ionization enthalpy _________ down the group in the family. |
| A. | Increases |
| B. | Decreases |
| C. | Constant |
| D. | Is a regular |
| Answer» E. | |
| 12. |
Gallium remains liquid up to __________ Kelvin. |
| A. | 2176 |
| B. | 2376 |
| C. | 2476 |
| D. | 2276 |
| Answer» E. | |
| 13. |
The atomic radius of gallium is greater than that of aluminum. |
| A. | True |
| B. | False |
| Answer» C. | |
| 14. |
Which of the following group’s elements have smaller atomic radii? |
| A. | Group 1 elements |
| B. | Group 2 elements |
| C. | Group 13 elements |
| D. | All have the same atomic radii |
| Answer» D. All have the same atomic radii | |
| 15. |
Are group 13 elements a part of p block elements? |
| A. | Yes |
| B. | No |
| C. | Only a few |
| D. | Only one |
| Answer» B. No | |