MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Chemical Industry knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following acts as thermal stabilizer for tetra ethyl lead? |
| A. | Diethyl ether |
| B. | Tetra hydro furan |
| C. | Aromatic hydrocarbon |
| D. | Ethyl magnesium chloride |
| Answer» D. Ethyl magnesium chloride | |
| 2. |
Shorting of cell in production of tetra ethyl lead (TEL) is prevented by adding __________ |
| A. | Excess Grignard reagent |
| B. | Excess C2H5Cl |
| C. | Excess Mg |
| D. | Excess MgCl2 |
| Answer» C. Excess Mg | |
| 3. |
Grignard reagent is used in production of tetra ethyl lead (TEL) by electro chemical process. Is the statement true/false? |
| A. | False |
| B. | True |
| Answer» C. | |
| 4. |
Which of the following acts as cathode in production of tetra ethyl lead (TEL) by electro chemical process? |
| A. | Lead |
| B. | Titanium |
| C. | Stainless steel |
| D. | Paltinum |
| Answer» D. Paltinum | |
| 5. |
Which of the following raw material is not used in production of tetra ethyl lead (TEL) by electro chemical process? |
| A. | Lead metal |
| B. | Magnesium chloride |
| C. | Ethyl chloride |
| D. | Ethyl magnesium chloride |
| Answer» C. Ethyl chloride | |
| 6. |
Anolyte used in electro chemical manufacture of adiponitrile from acrylonitrile is ______________ |
| A. | Lead |
| B. | Sulfuric acid |
| C. | Titanium |
| D. | Ammonium salt solution |
| Answer» C. Titanium | |
| 7. |
Cathode used in electro chemical manufacture of adiponitrile from acrylonitrile is ____________ |
| A. | Titanium |
| B. | Platinum-coated carbon |
| C. | Graphite |
| D. | Lead |
| Answer» E. | |
| 8. |
Which of the following reaction takes place at cathode in electro chemical manufacture of adiponitrile from acrylonitrile? |
| A. | H2O →2H++\(\frac{1}{2}\) O2+ 2e– |
| B. | 2CH2=CHCN+2H2 O+2e–→NC – (CH2)4 – CN |
| C. | 2CH2=CHCN+2H2 O+2e–→NC – (CH2)4 – CN+2OH– |
| D. | 2CH2=CHCN+2H2 O→NC – (CH2)4 – CN+\(\frac{1}{2}\) O2 |
| Answer» D. 2CH2=CHCN+2H2 O→NC – (CH2)4 – CN+\(\frac{1}{2}\) O2 | |
| 9. |
Steps involved in formation of adiponitrile are _______ |
| A. | Benzene → adipic acid → cyclohexane → adiponitrile |
| B. | Cyclohexane → benzene → adipic acid → adiponitrile |
| C. | Benzene → cyclohexane →adipic acid → adiponitrile |
| D. | Cyclohexane → adipic acid → benzene → adiponitrile |
| Answer» D. Cyclohexane → adipic acid → benzene → adiponitrile | |