MCQOPTIONS
Saved Bookmarks
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. |
Sulphonation of benzoic acid produces mainly which of the following? |
| A. | o-sulphobenzoic acid |
| B. | m-sulphobenzoic acid |
| C. | p-sulphobenzoic acid |
| D. | o- and p-sulphobenzoic acid |
| Answer» C. p-sulphobenzoic acid | |
| 2. |
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 | |
| 3. |
When CH3COOH reacts with CH3 Mg X, which of the following is formed? |
| A. | CH<sub>3</sub>COX is formed |
| B. | Hydrocarbon is formed |
| C. | Acetone is formed |
| D. | Alcohol is formed |
| Answer» C. Acetone is formed | |
| 4. |
Identify the wrong statement from the following? |
| A. | Salicylic acid s a monobasic acid |
| B. | Methyl salicylate is an ester |
| C. | Salicylic acid gives violet colour with neutral ferric chloride as well as brisk effervescence with sodium bicarbonate |
| D. | Methyl salicylate does not occur in natural oils |
| Answer» E. | |
| 5. |
The compound not soluble in acetic acid is which of the following? |
| A. | CaCO<sub>3</sub> |
| B. | CaO |
| C. | CaC<sub>2</sub>O<sub>4</sub> |
| D. | Ca(OH)<sub>2</sub> |
| Answer» D. Ca(OH)<sub>2</sub> | |
| 6. |
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. | |
| 7. |
Carboxylic acids are more acidic than phenol and alcohol because of which of the following? |
| A. | Intermolecular hydrogen bonding |
| B. | Formation of dimers |
| C. | Highly acidic hydrogen |
| D. | Resonance stabilization of their conjugate base |
| Answer» E. | |
| 8. |
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 | |
| 9. |
Hydrogenation of C6H5CHOH COOH over Rh Al2O3 catalyst in methanol gives which of the following? |
| A. | C<sub>6</sub>H<sub>5</sub>CH<sub>2</sub>COOH |
| B. | C<sub>6</sub>H<sub>11</sub>CHOHCOOH |
| C. | C<sub>6</sub>H<sub>5</sub>CHOHCH<sub>2</sub>OH |
| D. | C<sub>6</sub>H<sub>11</sub>CH<sub>2</sub>COOH |
| Answer» C. C<sub>6</sub>H<sub>5</sub>CHOHCH<sub>2</sub>OH | |