MCQOPTIONS
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MCQOPTIONS
This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Organic Chemistry Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Hydrolysis of an ester gives a carboxylic acid which on Kolbe’s electrolysis yields ethane. The ester is which of the following? |
| A. | Ethyl methonoate |
| B. | Methyl ethanoate |
| C. | Propylamine |
| D. | Ethylamine |
| Answer» C. Propylamine | |
| 2. |
When CH3COOH reacts with CH3−Mg−X, which of the following is formed? |
| A. | CH3COX is formed |
| B. | Hydrocarbon is formed |
| C. | Acetone is formed |
| D. | Alcohol is formed |
| Answer» C. Acetone is formed | |
| 3. |
When propionic acid is treated with aqueous sodium bicarbonate CO2 is liberated. The ‘C’ of CO2 comes from which of the following? |
| A. | Methyl group |
| B. | Carboxylic acid group |
| C. | Methylene group |
| D. | Bicarbonate |
| Answer» E. | |
| 4. |
In a set of the given reactions, acetic acid yielded a product C |
| A. | What would be product C? |
| B. | CH3−C-C2H5(OH)C6H5 |
| C. | CH3CH(OH)C2H5 |
| D. | CH3COC6H5 |
| E. | CH3CH(OH)C6H5 |
| Answer» B. CH3−C-C2H5(OH)C6H5 | |
| 5. |
In the anion HCOO− the two carbon-oxygen bonds are found to be of equal length. What is the reason for it? |
| A. | Electronic orbitals of carbon atom are hybridised |
| B. | The C = O bond is weaker than the C – O bond |
| C. | The anion HCOO− has two resonating structures |
| D. | The anion is obtained by removal of a proton form the acid molecule |
| Answer» C. The anion HCOO− has two resonating structures | |
| 6. |
Hydrogenation of C6H5CHOH−COOH over Rh−Al2O3 catalyst in methanol gives which of the following? |
| A. | C6H5CH2COOH |
| B. | C6H11CHOHCOOH |
| C. | C6H5CHOHCH2OH |
| D. | C6H11CH2COOH |
| Answer» C. C6H5CHOHCH2OH | |