MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Organic Chemistry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
O3 reacts with CH2=CH2 to form ozonide. On hydrolysis it forms which of the following? |
| A. | Ethylene oxide |
| B. | HCHO |
| C. | Ethylene glycol |
| D. | Ethyl alcohol |
| Answer» C. Ethylene glycol | |
| 2. |
Which of the following gases when passed through warm dilute solution of H2SO4 in presence of HgSO4 gives acetaldehyde? |
| A. | CH4 |
| B. | C2H6 |
| C. | C2H4 |
| D. | C2H2 |
| Answer» E. | |
| 3. |
What is the product X in the following reaction? |
| A. | C6H5CH3 |
| B. | C6H5CH2Cl |
| C. | C6H5CHO |
| D. | C6H5COOH |
| Answer» D. C6H5COOH | |
| 4. |
Catalyst SnCl2/HCl is used in which of the following method of synthesis of aldehyde? |
| A. | Stephen’s reduction |
| B. | Cannizzaro reaction |
| C. | Clemmensen’s reduction |
| D. | Rosenmund’s reduction |
| Answer» B. Cannizzaro reaction | |
| 5. |
In the Rosenmund’s reduction, BaSO4 taken with catalyst Pd acts as which of the following? |
| A. | Promotor |
| B. | Catalytic poison |
| C. | Cooperator |
| D. | Absorber |
| Answer» C. Cooperator | |
| 6. |
What is the name of the given reaction of preparation of aldehyde? |
| A. | Reimer-Tiemann reaction |
| B. | Cannizzaro reaction |
| C. | Rosenmund reaction |
| D. | Reformatsky reaction |
| Answer» D. Reformatsky reaction | |
| 7. |
In the given reaction, what will be the product P? |
| A. | RCH2OH |
| B. | RCOOH |
| C. | RCHO |
| D. | RCH3 |
| Answer» D. RCH3 | |
| 8. |
Primary alcohol is gently heated to produce aldehyde in presence of acidified solution of which of the following compound? |
| A. | hydroxide |
| B. | dichromate |
| C. | ethanol |
| D. | ethanal |
| Answer» C. ethanol | |
| 9. |
WHICH_OF_THE_FOLLOWING_GASES_WHEN_PASSED_THROUGH_WARM_DILUTE_SOLUTION_OF_H2SO4_IN_PRESENCE_OF_HGSO4_GIVES_ACETALDEHYDE??$ |
| A. | CH<sub>4</sub> |
| B. | C<sub>2</sub>H<sub>6</sub> |
| C. | C<sub>2</sub>H<sub>4</sub> |
| D. | C<sub>2</sub>H<sub>2</sub> |
| Answer» E. | |
| 10. |
O3 reacts with CH2=CH2 to form ozonide. On hydrolysis it forms which of the following?$ |
| A. | Ethylene oxide |
| B. | HCHO |
| C. | Ethylene glycol |
| D. | Ethyl alcohol |
| Answer» C. Ethylene glycol | |
| 11. |
Catalyst SnCl2/HCl is used in which of the following method of synthesis of aldehyde? |
| A. | Stephen’s reduction |
| B. | Cannizzaro reaction |
| C. | Clemmensen’s reduction |
| D. | Rosenmund’s reduction |
| Answer» B. Cannizzaro reaction | |
| 12. |
In the Rosenmund’s reduction, BaSO4 taken with catalyst Pd acts as which of the following?$ |
| A. | Promotor |
| B. | Catalytic poison |
| C. | Cooperator |
| D. | Absorber |
| Answer» C. Cooperator | |
| 13. |
On heating calcium acetate and calcium formate, the product formed is which of the following? |
| A. | CH<sub>3</sub>COCH<sub>3</sub> |
| B. | CH<sub>3</sub>CHO |
| C. | HCHO+CaCO<sub>3</sub> |
| D. | CH<sub>3</sub>CHO+CaCO<sub>3</sub> |
| Answer» E. | |
| 14. |
Which Catalyst is used in Rosenmund reduction? |
| A. | Pd / BaSO<sub>4</sub> |
| B. | Zn-Hg couple |
| C. | LiAlH<sub>4</sub> |
| D. | Ni/H<sub>2</sub> |
| Answer» B. Zn-Hg couple | |
| 15. |
Primary alcohol is gently heated to produce aldehyde in presence of acidified solution of which of the following compound? |
| A. | hydroxide |
| B. | dichromate |
| C. | ethanol |
| D. | ethanal |
| Answer» C. ethanol | |