MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
Ethylene glycol on treatment with phosphorus tri-iodide yields |
| A. | ethyl iodide |
| B. | ethylene di-iodide |
| C. | ethylene |
| D. | ethane |
| Answer» C. ethylene | |
| 2. |
What happens when glycol reacts with periodic acid? |
| A. | No reaction |
| B. | Ketones will be formed |
| C. | Aldehyde will not be formed |
| D. | Monohydric alcohols will be formed |
| Answer» C. Aldehyde will not be formed | |
| 3. |
WHAT_HAPPENS_WHEN_GLYCOL_REACTS_WITH_PERIODIC_ACID??$ |
| A. | No reaction |
| B. | Ketones will be formed |
| C. | Aldehyde will not be formed |
| D. | Monohydric alcohols will be formed |
| Answer» C. Aldehyde will not be formed | |
| 4. |
Ethylene_glycol_on_treatment_with_phosphorus_tri-iodide_yields$ |
| A. | ethyl iodide |
| B. | ethylene di-iodide |
| C. | ethylene |
| D. | ethane |
| Answer» C. ethylene | |
| 5. |
Criegee oxidation of glycol should be performed in which type of medium? |
| A. | Hydrous |
| B. | Anhydrous |
| C. | Acidic |
| D. | Basic |
| Answer» C. Acidic | |
| 6. |
Which of the following statement is not true about criegee oxidation? |
| A. | The oxidative cleavage of an alpha,beta-diol using lead tetraacetate to give the corresponding carbonyl compounds |
| B. | It is analogous but milder than the Malaprade reaction |
| C. | This oxidation was discovered by Rudolf Criegee and coworkers and first reported in 1931 |
| D. | Rate of reaction do not depend upon stereochemistry of glycol |
| Answer» E. | |
| 7. |
What is the name of the reaction when lead tetraacetate is used cleave a carbon-carbon bond in a glycol? |
| A. | Criegee oxidation |
| B. | Swern oxidation |
| C. | Baeyer-Villiger Oxidation |
| D. | Jones oxidation |
| Answer» B. Swern oxidation | |
| 8. |
What is the intermediate form in the mechanism of the lead acetate and glycol? |
| A. | Three membered cyclic ring |
| B. | Four membered cyclic ring |
| C. | Five membered cyclic ring |
| D. | Six membered cyclic ring |
| Answer» C. Five membered cyclic ring | |
| 9. |
What happens when glycol reacts with lead tetraacetate? |
| A. | No reaction |
| B. | Ketones will be formed |
| C. | Aldehyde will not be formed |
| D. | Monohydric alcohols will be formed |
| Answer» C. Aldehyde will not be formed | |
| 10. |
Which catalyst is used for reaction of ethylene glycol with acetic acid? |
| A. | Amberlyst 36 |
| B. | Hydrogen peroxide |
| C. | Potassium permanganate |
| D. | Aluminium bromide |
| Answer» B. Hydrogen peroxide | |