| 1 |
Which of the following species is ortho and para director. |
- A. CHO
- B. SO3H
- C. NO2
- D. Cl
|
| 2 |
Structure of benzene is |
- A. Tetrahedral
- B. Trigonal planar
- C. Hexagonal planar
- D. Linear
|
| 3 |
Benzene cannot undergo |
- A. Substitution reactions
- B. addition reactions
- C. oxidation reactions
- D. elimination reactions
|
| 4 |
Cyclic structure of benzene was proposed by |
- A. Dewar
- B. Faraday
- C. Down
- D. Kekule
|
| 5 |
Which one is not a meta directing group |
- A. -COOH
- B. -CHO
- C. -COR
- D. -NH<sub>2</sub>
|
| 6 |
Which compound form benzoic acid on oxidation with strong oxidizing agent. |
- A. Toluene
- B. Ethyl benzene
- C. n propyl benzene
- D. All
|
| 7 |
Effect of substituent on benzene ring is due to |
- A. Resonance
- B. Inductive effect
- C. Both a and b
- D. Neither a nor b
|
| 8 |
The resonating contributing structures of Benzene are |
|
| 9 |
Which group when attached with benzene increases electron density of ring. |
- A. -COOH
- B. -NO
- C. -CHO
- D. -CH3
|
| 10 |
Which of the following is Ortho and Para directing group |
- A. -I
- B. -CHO
- C. -COR
- D. -NH<sub>2</sub>
|
