MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
WHAT_IS_THE_SMELL_OF_THE_DIETHYL_ETHER??$ |
| A. | Vinegar |
| B. | Sweet smell |
| C. | Rotten egg |
| D. | Fish like smell |
| Answer» C. Rotten egg | |
| 2. |
Which_of_the_following_Is_the_correct_reason_for_cyclic_ether_are_miscible_in_water?$ |
| A. | Planer structure |
| B. | Larger size |
| C. | Molecular weight |
| D. | Hydrogen bonding |
| Answer» E. | |
| 3. |
An organic compound A reacts with sodium metal and forms B. On heating with conc. H2SO4, A gives diethyl ether. What are A and B? |
| A. | C<sub>2</sub>H<sub>5</sub>OH and C<sub>2</sub>H<sub>5</sub>ONa |
| B. | C<sub>3</sub>H<sub>7</sub>OH and CH<sub>3</sub>ONa |
| C. | CH<sub>3</sub>OH and CH<sub>3</sub>ONa |
| D. | C<sub>4</sub>H<sub>9</sub>OH and C<sub>4</sub>H<sub>9</sub>ONa |
| Answer» E. | |
| 4. |
Which of the following product is formed, when ether is exposed to air? |
| A. | Oxide |
| B. | Alkanes |
| C. | Alkenes |
| D. | Peroxide of diethyl ether |
| Answer» E. | |
| 5. |
Which of the following statements about ethers is incorrect? |
| A. | Ethers are flammable |
| B. | Ethers form peroxides by free radical oxidation |
| C. | Ethers are widely used as extraction solvents |
| D. | An ether oxygen can only be found within an acyclic carbon chain |
| Answer» E. | |
| 6. |
Which of the following has lower boiling point than dimethyl ether? |
| A. | Pentane |
| B. | Propane |
| C. | Tetrahydrofuran |
| D. | n-butanol |
| Answer» C. Tetrahydrofuran | |
| 7. |
Why ether is more volatile than an alcohol having the same molecular formula? |
| A. | dipolar character of ethers |
| B. | alcohols having resonance structures |
| C. | inter-molecular hydrogen bonding in ethers |
| D. | inter-molecular hydrogen bonding in alcohols |
| Answer» E. | |
| 8. |
Which of the following statement is not true about ethers? |
| A. | The lower ethers are highly volatile and flammable |
| B. | Lower ethers also act as anaesthetics |
| C. | Ethers are not organic solvents |
| D. | Simple ethers (such as diethyl ether) are tasteless |
| Answer» D. Simple ethers (such as diethyl ether) are tasteless | |
| 9. |
Which of the following is distinguish test for ether? |
| A. | Lucas test |
| B. | FeCl<sub>3</sub> test |
| C. | Molisch test |
| D. | Zeisel test |
| Answer» E. | |