| 1 |
The number of possible isomers of xylene are |
|
| 2 |
Which compound is the most reactive one |
- A. benzene
- B. ethene
- C. ethane
- D. ethyne
|
| 3 |
The benzene molecule contains |
- A. three double bonds
- B. two double bonds
- C. one double bond
- D. delocalized pie-electron charge
|
| 4 |
When acetylene is heated at 300 <sup>o</sup>C in copper tube, the product obtained is. |
- A. Benzene
- B. Alkyl benzene
- C. Ether
- D. Alcohol
|
| 5 |
Which compound is the more reactive |
- A. Benzene
- B. Ethene
- C. Ethane
- D. Ethyne
|
| 6 |
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
|
| 7 |
Hydrolysis of benzene sulphonic acid with superheated steam or by boiling with dil HCl gives. |
- A. Toluene
- B. Benzene
- C. Xylene
- D. Chlorobenzene
|
| 8 |
Which catalyst is used Friedel Crafts reactions |
- A. AlCl<sub>3</sub>
- B. BeCl<sub>2</sub>
- C. NaCl
- D. HNO<sub>3</sub>
|
| 9 |
Phenol when distilled with zinc dust gives. |
- A. Toluene
- B. Benzaldehyde
- C. Benzoic acid
- D. Benzene
|
| 10 |
Main source of aromatic compound is |
- A. Petroleum
- B. Coaltar
- C. Living organisms
- D. Dead marine animals
|
