MCQOPTIONS
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MCQOPTIONS
This section includes 13 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 displays the most basic nature in water? |
| A. | Fluoride |
| B. | Chloride |
| C. | Bromide |
| D. | Iodide |
| Answer» B. Chloride | |
| 2. |
To which group does chlorine element belong? |
| A. | Halides |
| B. | Pre inert |
| C. | Chalcogens |
| D. | Halogens |
| Answer» E. | |
| 3. |
What will be the result of subjecting a blue litmus to chlorine gas? |
| A. | Turn to red only |
| B. | Remain blue |
| C. | Turn to white finally |
| D. | Turn white in the first go |
| Answer» D. Turn white in the first go | |
| 4. |
Which of the following is a result of bubbling hydrogen chloride gas through gas? |
| A. | H– + Cl– |
| B. | H+ + Cl2- |
| C. | H3O+ + Cl– |
| D. | H+ + Cl– |
| Answer» D. H+ + Cl– | |
| 5. |
Hydrogen chloride as an acid is much stronger than hydrogen fluoride under the same conditions. True or False? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
How is chlorine gas manufactured industrially? |
| A. | Deacon process |
| B. | Ostwald process |
| C. | Chlor-alkali process |
| D. | Haber process |
| Answer» D. Haber process | |
| 7. |
What is the electronic configuration of chloride? |
| A. | 1s22s22p63s23p5 |
| B. | 1s22s22p63s23p6 |
| C. | 1s22s22p5 |
| D. | [Ar]4s24p3 |
| Answer» C. 1s22s22p5 | |
| 8. |
Why is chlorine bubbled through water during the latter’s treatment? |
| A. | To remove foul odor |
| B. | To kill microorganisms |
| C. | To improve taste |
| D. | To remove hardness |
| Answer» C. To improve taste | |
| 9. |
Which of the following is a suitable test to identify presence of chlorine atoms or ions? |
| A. | Acidify the given compound and add silver nitrate |
| B. | Add silver nitrate followed by warming the solution |
| C. | Heat the compound strongly |
| D. | Smell the compound |
| Answer» B. Add silver nitrate followed by warming the solution | |
| 10. |
When excess chlorine reacts with methane in presence of sunlight, which is the major product? |
| A. | Refrigerant – 40 |
| B. | Methylene chloride |
| C. | Chloroform |
| D. | Carbon tetrachloride |
| Answer» E. | |
| 11. |
What is the color of chlorine? |
| A. | Yellow grey |
| B. | Greenish brown |
| C. | Green yellow |
| D. | Yellow |
| Answer» D. Yellow | |
| 12. |
Which of the following would instantly react with chlorine? |
| A. | Copper |
| B. | Magnesium |
| C. | Iron |
| D. | Aluminum |
| Answer» C. Iron | |
| 13. |
What is the molecular mass of chlorine? |
| A. | 71.0 kg/kmole |
| B. | 35.5 g/kmole |
| C. | 71.0 g/kmole |
| D. | 35.5 kg/mole |
| Answer» B. 35.5 g/kmole | |