MCQOPTIONS
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MCQOPTIONS
This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Unit Processes knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Heterocyclic amines can be alkylated with alkyl halides. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Aniline can also be alkylated in the vapour phase. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
ANILINE_CAN_ALSO_BE_ALKYLATED_IN_THE_VAPOUR_PHASE.?$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Heterocyclic amines can be alkylated with alkyl halides.$ |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
For the higher amines, which phase is used so that reaction takes place? |
| A. | Liquid |
| B. | Vapour |
| C. | Solid |
| D. | None of the mentioned |
| Answer» B. Vapour | |
| 6. |
The alkaloid reaction takes place in presence of what? |
| A. | Primary nitrogen |
| B. | Secondary nitrogen |
| C. | Tertiary nitrogen |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 7. |
The aliphatic ethers are made by the action of which acid on alcohol? |
| A. | Nitric acid |
| B. | Sulphuric acid |
| C. | Hydrochloric acid |
| D. | All of the mentioned |
| Answer» C. Hydrochloric acid | |
| 8. |
Which type of catalyst are used for Olefin Alkylation of Aromatics? |
| A. | Friedel-Crafts type |
| B. | Protonic acid |
| C. | Friedel-Crafts type & Protonic acid |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 9. |
Which of the following reacts least with isopropyl benzene? |
| A. | Methyl |
| B. | Tertiary butyl |
| C. | Propyl |
| D. | Isopropyl |
| Answer» C. Propyl | |
| 10. |
Which methyl radical has the highest affinity to attack an aromatic? |
| A. | Diphenyl ether |
| B. | Quinoline |
| C. | Benzene |
| D. | Anthracene |
| Answer» E. | |
| 11. |
Which compounds decompose readily into free alkyl radicals? |
| A. | Peroxides |
| B. | Phenol |
| C. | Aromatic |
| D. | All of the mentioned |
| Answer» B. Phenol | |
| 12. |
When aniline is alkylated, how does the alkyl group react? |
| A. | Nuclearly |
| B. | At the nitrogen atom |
| C. | Nuclearly & At the nitrogen atom |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |
| 13. |
The alkylation of hydrocarbons is referred as which type of alkylation? |
| A. | Substitution of hydroxy group |
| B. | Alkyl metallic compound |
| C. | Substitution for hydrogen |
| D. | None of the mentioned |
| Answer» D. None of the mentioned | |