MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Benzenediazonium chloride is commercially available in packaged form. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
Which of the following properties is suitable for all diazonium salts? |
| A. | Water soluble |
| B. | Coloured solids |
| C. | Explosive |
| D. | Unreactive |
| Answer» D. Unreactive | |
| 3. |
Which of the following diazonium salts is insoluble in water? |
| A. | C<sub>6</sub>H<sub>5</sub>N<sub>2</sub><sup>+</sup>Cl<sup> </sup> |
| B. | C<sub>6</sub>H<sub>5</sub>N<sub>2</sub><sup>+</sup>Br<sup> </sup> |
| C. | C<sub>6</sub>H<sub>5</sub>N<sub>2</sub><sup>+</sup>HSO<sub>4</sub><sup> </sup> |
| D. | C<sub>6</sub>H<sub>5</sub>N<sub>2</sub><sup>+</sup>BF<sub>4</sub><sup> </sup> |
| Answer» E. | |
| 4. |
Which of the following best describes benzenediazonium chloride? |
| A. | Yellow solid |
| B. | Colourless crystals |
| C. | White powder |
| D. | Oily liquid |
| Answer» C. White powder | |
| 5. |
Benzenediazonium chloride is ______ in water. |
| A. | slightly soluble |
| B. | highly soluble |
| C. | insoluble |
| D. | highly insoluble |
| Answer» C. insoluble | |
| 6. |
When a blue litmus paper is dipped in an aqueous solution of benzenediazonium bromide, the litmus paper _____ |
| A. | turns red |
| B. | turns orange |
| C. | turns black |
| D. | remains unchanged |
| Answer» E. | |
| 7. |
Aromatic diazonium salts are stable at _____ temperatures. |
| A. | cold |
| B. | room |
| C. | warm |
| D. | high |
| Answer» B. room | |