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. |
What is the bond angle between the oxygen atoms in nitrogen dioxide? |
| A. | 120° |
| B. | 124° |
| C. | 130° |
| D. | 134° |
| Answer» E. | |
| 2. |
Which of the following statements is incorrect regarding dinitrogen pentoxide? |
| A. | It is basic in nature |
| B. | It is also known as the anhydride of nitric acid |
| C. | It exists as a colourless solid below 273K |
| D. | The oxidation state of nitrogen is +5 |
| Answer» B. It is also known as the anhydride of nitric acid | |
| 3. |
What are the complexes formed by nitric oxide with transition metals called? |
| A. | Nitrones |
| B. | Nitriles |
| C. | Nitrates |
| D. | Nitrosyls |
| Answer» E. | |
| 4. |
Which of the following oxides of nitrogen is a neurotransmitter? |
| A. | N2O |
| B. | N2O4 |
| C. | NO2 |
| D. | NO |
| Answer» E. | |
| 5. |
Which of the following oxide can act as both reducing and oxidising agent? |
| A. | Dinitrogen oxide |
| B. | Nitric oxide |
| C. | Nitrogen dioxide |
| D. | Dinitrogen pentoxide |
| Answer» C. Nitrogen dioxide | |
| 6. |
Which of the following compounds can be identified as nitryl fluoride? |
| A. | NO2F |
| B. | NOF |
| C. | NF3 |
| D. | N2F |
| Answer» B. NOF | |
| 7. |
What colour does the compound dinitrogen trioxide appear in its liquid state? |
| A. | It is colourless |
| B. | Blue |
| C. | Green |
| D. | Yellow |
| Answer» C. Green | |
| 8. |
Which of the following is not an alternative name of dinitrogen trioxide? |
| A. | Nitrogen sesquioxide |
| B. | Nitrogen (III) oxide |
| C. | Anhydride of nitrous acid |
| D. | Nitrogen peroxide |
| Answer» E. | |
| 9. |
What is the IUPAC name of NOCl? |
| A. | Nitrogen monoxy chloride |
| B. | Chloroxy nitrogen |
| C. | Nitroxy chlorine |
| D. | Nitrosyl chloride |
| Answer» E. | |
| 10. |
What temperature does dinitrogen oxide dissociate at? |
| A. | 543K |
| B. | 600K |
| C. | 873K |
| D. | 435K |
| Answer» D. 435K | |
| 11. |
What does dinitrogen oxide on reaction with sodamide produce? |
| A. | Nitrogen gas |
| B. | Nitric acid |
| C. | Nitrogen dioxide |
| D. | Sodium azide |
| Answer» C. Nitrogen dioxide | |
| 12. |
Nitrogen monoxide reacts with oxygen to form nitrogen dioxide. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 13. |
Which of the following is true about dinitrogen oxide? |
| A. | It is yellow in colour |
| B. | The oxidation state of nitrogen is +5 |
| C. | It is basic in nature |
| D. | It is a colourless gas |
| Answer» E. | |
| 14. |
What is the range of the oxidation states shown by nitrogen in its oxides? |
| A. | +1 to +3 |
| B. | +2 to +4 |
| C. | +1 to +2 |
| D. | +1 to +5 |
| Answer» E. | |
| 15. |
Dinitrogen oxide is also called laughing gas. |
| A. | True |
| B. | False |
| Answer» B. False | |