MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Lithium has the same radius that of magnesium. |
| A. | true |
| B. | false |
| Answer» C. | |
| 2. |
Lithium has a diagonal relationship with ____________ |
| A. | magnesium |
| B. | sodium |
| C. | aluminum |
| D. | neon |
| Answer» B. sodium | |
| 3. |
On heating lithium carbonate decomposes in order to evolve the ____________ |
| A. | nitrogen |
| B. | oxygen |
| C. | carbon dioxide |
| D. | lithium |
| Answer» D. lithium | |
| 4. |
Does Lithium react with nitrites? |
| A. | yes |
| B. | no |
| C. | may be |
| D. | may not be |
| Answer» B. no | |
| 5. |
Which of the following element has the smallest size in its group? |
| A. | sodium |
| B. | rubidium |
| C. | potassium |
| D. | lithium |
| Answer» E. | |
| 6. |
Which of the following statements is true regarding the diagonal relationship between Lithium and magnesium? |
| A. | Lithium and magnesium combined with oxygen to form superoxides |
| B. | Lithium and magnesium are soft metals |
| C. | Lithium hydroxide and magnesium Hydroxide are weak bases |
| D. | Magnesium chloride is completely soluble in water |
| Answer» D. Magnesium chloride is completely soluble in water | |
| 7. |
What is the electronegativity of lithium? |
| A. | 2 |
| B. | 1 |
| C. | 5 |
| D. | 4 |
| Answer» C. 5 | |
| 8. |
What is the difference between the Ionic radius of cations of Lithium and magnesium? |
| A. | 2 A° |
| B. | 0.05 A° |
| C. | 1 A° |
| D. | 5 A° |
| Answer» C. 1 A° | |
| 9. |
Lithium chloride is ____________ in nature. |
| A. | soft |
| B. | covalent |
| C. | ionic |
| D. | complex |
| Answer» C. ionic | |
| 10. |
Lithium and magnesium are ____________ metals. |
| A. | sponge |
| B. | hard |
| C. | soft |
| D. | smooth |
| Answer» C. soft | |