MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
Which of the following is the product formed when butyl acetate and ethanol in presence of hydrochloric acid? |
| A. | Ethyl ethanoate |
| B. | Methyl acetate |
| C. | Ethyl acetate |
| D. | Propyl ethanoate |
| Answer» D. Propyl ethanoate | |
| 2. |
Which of the following is the product formed when methyl propanoate and ethanol in presence of hydrochloric acid? |
| A. | Ethyl ethanoate |
| B. | Methyl ethanoate |
| C. | Ethyl propanoate |
| D. | Propyl ethanoate |
| Answer» D. Propyl ethanoate | |
| 3. |
Which of the following is the product formed when alkylene carbonate and alcohol in presence of hydrochloric acid? |
| A. | Dialkyl carbonate |
| B. | Methyl ethanoate |
| C. | Alkyl carbonate |
| D. | Propyl ethanoate |
| Answer» B. Methyl ethanoate | |
| 4. |
WHICH_OF_THE_FOLLOWING_IS_THE_PRODUCT_FORMED_WHEN_METHYL_PROPANOATE_AND_ETHANOL_IN_PRESENCE_OF_HYDROCHLORIC_ACID??$ |
| A. | Ethyl ethanoate |
| B. | Methyl ethanoate |
| C. | Ethyl propanoate |
| D. | Propyl ethanoate |
| Answer» D. Propyl ethanoate | |
| 5. |
Which_of_the_following_is_the_product_formed_when_butyl_acetate_and_ethanol_in_presence_of_hydrochloric_acid?$ |
| A. | Ethyl ethanoate |
| B. | Methyl acetate |
| C. | Ethyl acetate |
| D. | Propyl ethanoate |
| Answer» D. Propyl ethanoate | |
| 6. |
Which of the following is the product formed when methyl ethanoate and ethanol in presence of hydrochloric acid? |
| A. | Ethyl ethanoate |
| B. | Methyl ethanoate |
| C. | Ethyl propanoate |
| D. | Propyl ethanoate |
| Answer» B. Methyl ethanoate | |
| 7. |
Transesterification reaction is an irreversible reaction. |
| A. | True |
| B. | False |
| Answer» C. | |
| 8. |
What type of solution is used in transesterification for the determination of fatty acid compositions? |
| A. | Methanol in NaOH |
| B. | Methanol in NaCl |
| C. | Methanol in KOH |
| D. | Methanol in H<sub>2</sub>O |
| Answer» B. Methanol in NaCl | |
| 9. |
Polyethylene terephthalate is prepared by a transesterification reaction. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 10. |
What chemical reaction makes biodiesel? |
| A. | Transesterification |
| B. | Sublimation |
| C. | Polymerization |
| D. | Fermentation |
| Answer» B. Sublimation | |
| 11. |
What is the geometry of the intermediate formed in the mechanism of transesterification? |
| A. | Octahedral |
| B. | Square planner |
| C. | Tetrahedral |
| D. | Square bipyramidal |
| Answer» D. Square bipyramidal | |
| 12. |
Which of the following is true about transesterification? |
| A. | exchanging the organic alkyl group of an ester with the organic group alkyl of an alcohol |
| B. | exchanging the organic alkyl group of an alcohol with the organic group alkyl of an ester |
| C. | exchanging the organic alkyl group of an ester with the organic group alkyl of an alkane |
| D. | exchanging the organic alkyl group of an ester with the organic group alkyl of an ether |
| Answer» B. exchanging the organic alkyl group of an alcohol with the organic group alkyl of an ester | |