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 not a method of preparation of glycol? |
| A. | Shell’s omega method |
| B. | From carbon monoxide |
| C. | From Dimethyl oxalate |
| D. | From nitrogen |
| Answer» E. | |
| 2. |
Which of the following is the most convenient and inexpensive method of formation of glycol? |
| A. | Hydroxylation of alkene by Bayer’s reagent |
| B. | From 1,2-dibromoethane |
| C. | Oxidation of ethylene and using Ag as catalyst |
| D. | Ethylene treatment with HOCl |
| Answer» B. From 1,2-dibromoethane | |
| 3. |
What will be the product A and B for the given reaction? |
| A. | ethane, glycol |
| B. | glycol, ethylene chlorohydrine |
| C. | Ethylene chlorohydrine, glycol |
| D. | ethan-1-ol, Glycol |
| Answer» D. ethan-1-ol, Glycol | |
| 4. |
What will be the catalyst A which can be used to carry out this synthesis of glycol? |
| A. | Catalyst Cu, 200 – 400℃ |
| B. | Catalyst Pt, 100 – 200℃ |
| C. | Catalyst Ni, 200 – 400℃ |
| D. | Catalyst Ag, 200 – 400℃ |
| Answer» E. | |
| 5. |
What will be the compound A which can be used to carry out this synthesis of glycol? |
| A. | RCOR’ |
| B. | RCO2OH |
| C. | RCHO |
| D. | RCOOH |
| Answer» C. RCHO | |
| 6. |
Which of the following reagent can be used to carry out this synthesis of glycol? |
| A. | Benedict reagent |
| B. | Baeyer’s reagent |
| C. | Barfoed reagent |
| D. | Seliwanoff reagent |
| Answer» C. Barfoed reagent | |
| 7. |
WHICH_OF_THE_FOLLOWING_IS_THE_MOST_CONVENIENT_AND_INEXPENSIVE_METHOD_OF_FORMATION_OF_GLYCOL??$ |
| A. | Hydroxylation of alkene by Bayer’s reagent |
| B. | From 1,2-dibromoethane |
| C. | Oxidation of ethylene and using Ag as catalyst |
| D. | Ethylene treatment with HOCl |
| Answer» B. From 1,2-dibromoethane | |
| 8. |
Which_of_the_following_is_not_a_method_of_preparation_of_glycol?$ |
| A. | Shell’s omega method |
| B. | From carbon monoxide |
| C. | From Dimethyl oxalate |
| D. | From nitrogen |
| Answer» E. | |
| 9. |
Which compound is used with 1,2- dibromoethane for the formation of glycol? |
| A. | Na<sub>2</sub>CO<sub>3</sub> |
| B. | NaHCO<sub>3</sub> |
| C. | NaOH |
| D. | CH<sub>3</sub>COONa |
| Answer» B. NaHCO<sub>3</sub> | |
| 10. |
Which of the following statement is not true about preparation of alcohol? |
| A. | French chemist Charles-Adolphe Wurtz (1817–1884) first prepared ethylene glycol in 1856 |
| B. | First synthesis of glycol was from “ethylene iodide” (C<sub>2</sub>H<sub>4</sub>I<sub>2</sub>) with silver acetate and then hydrolyzed the resultant “ethylene diacetate” with potassium hydroxide |
| C. | It was synthesized from ethylene dichloride in Germany and used as a substitute for glycerol in the explosives industry |
| D. | There is no biological process for the synthesis of glycol |
| Answer» E. | |
| 11. |
Which type of product is formed when Cold dilute alkaline solution of Bayer’s reagent reacts with alkene?$ |
| A. | Syn-glyol |
| B. | Syn- and anti-geometry will not be there in glycol |
| C. | Anti-glyol |
| D. | Trans glycol |
| Answer» B. Syn- and anti-geometry will not be there in glycol | |
| 12. |
Which of the following is the industrial method of formation of glycol? |
| A. | Hydroxylation of alkene by Bayer’s reagent |
| B. | From 1,2-dibromoethane |
| C. | Oxidation of ethylene and using Ag as catalyst |
| D. | Ethylene treatment with HOCl |
| Answer» D. Ethylene treatment with HOCl | |