| 1 |
Amongst the following, the compound that can be most readily sulphonated is |
- A. toluene
- B. benzene
- C. nitrobenzene
- D. chlorobenzene
|
| 2 |
Which compound form benzoic acid on oxidation with strong oxidizing agent. |
- A. Toluene
- B. Ethyl benzene
- C. n propyl benzene
- D. All
|
| 3 |
Which one is not electrophile |
- A. BF3
- B. SO3
- C. AlCl3
- D. NH3
|
| 4 |
The resonating contributing structures of Benzene are |
|
| 5 |
The conversation of n-hexane into benzene by heating in in the presence of Pt is called |
- A. Isomerization
- B. Aromatization
- C. Dealkylation
- D. Rearrangement
|
| 6 |
Cyclic structure of benzene was proposed by |
- A. Dewar
- B. Faraday
- C. Down
- D. Kekule
|
| 7 |
The electrophile in Aromatic sulphonation is |
- A. H<sub>2</sub>SO<sub>4</sub>
- B. HSO<sub>4</sub><sup>1-</sup>
- C. SO<sub>3</sub>
- D. SO<sub>3</sub><sup>1+</sup>
|
| 8 |
Which group when attached with benzene increases electron density of ring. |
- A. -COOH
- B. -NO
- C. -CHO
- D. -CH3
|
| 9 |
The number of possible isomers of xylene are |
|
| 10 |
Chlorobenzene on nitration with conc. HNO3 and Conc. H2SO4 gives. |
- A. m -chloronitrobenzene
- B. o and p chloronitrobenzene
- C. o and m chloronitrobenzene
- D. mixture of O2 m and p chloronitrobenzene
|
