| 1 |
Which compound is the most reactive |
- A. Benzene
- B. Ethene
- C. Ethane
- D. Ethyne
|
| 2 |
Which compound form benzoic acid on oxidation with strong oxidizing agent. |
- A. Toluene
- B. Ethyl benzene
- C. n propyl benzene
- D. All
|
| 3 |
During nitration of benzene, the active nitrating agent is |
- A. NO<sub>3</sub>
- B. NO<sub>2</sub><sup>+</sup>
- C. NO<sub>2</sub><sup>-</sup>
- D. HNO<sub>3</sub>
|
| 4 |
Aromatic hydrocarbons are the derivatives of |
- A. Normal series of paraffins
- B. Alkene
- C. Benzene
- D. Cyclohexane
|
| 5 |
The resonating contributing structures of Benzene are |
|
| 6 |
Biphenyl is |
- A. Monocyclic aromatic compound
- B. Polyclic aromatic compound
- C. Polycyclic fused ring compound
- D. Alicyclic compound
|
| 7 |
Which makes a molecule more stable. |
- A. Greater localization of pi electrons
- B. Less delocalization of pi electrons
- C. Greeter delocalization of pi electrons
- D. Less delocalization for pi electrons
|
| 8 |
Which of the following is Ortho and Para directing group |
- A. -I
- B. -CHO
- C. -COR
- D. -NH<sub>2</sub>
|
| 9 |
During Nitration of Benzene the active nitrating agent is |
- A. NO<sub>3</sub>
- B. NO<sub>2</sub><sup>+</sup>
- C. NO<sub>2</sub>
- D. HNO<sub>3</sub>
|
| 10 |
Main source of aromatic compound is |
- A. Petroleum
- B. Coaltar
- C. Living organisms
- D. Dead marine animals
|
