| 1 |
Amongst the following, the compound that can be most readily sulphonated is |
- A. toluene
- B. benzene
- C. nitrobenzene
- D. chlorobenzene
|
| 2 |
Aromatic compounds burns with sooty flame because. |
- A. They have high percentage of hydrogen
- B. The have a right structure
- C. The have high percentage of carbon
- D. The resist reaction with air
|
| 3 |
Which one is not electrophile |
- A. BF3
- B. SO3
- C. AlCl3
- D. NH3
|
| 4 |
The difference of actual and theoretical heat of hydrogenation of compound is called. |
- A. Lattice energy
- B. Resonance energy
- C. Ionization energy
- D. Enthalpy of formation
|
| 5 |
Which compound is the more reactive |
- A. Benzene
- B. Ethene
- C. Ethane
- D. Ethyne
|
| 6 |
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
|
| 7 |
Which catalyst is used Friedel Crafts reactions |
- A. AlCl<sub>3</sub>
- B. BeCl<sub>2</sub>
- C. NaCl
- D. HNO<sub>3</sub>
|
| 8 |
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
|
| 9 |
Aromatic hydrocarbons are the derivatives of |
- A. Normal series of paraffins
- B. Alkene
- C. Benzene
- D. Cyclohexane
|
| 10 |
Amongst the following, the compound of that can be most readily sulphonated is |
- A. Toluene
- B. Benzene
- C. Nitro-benzene
- D. Chloro-benzene
|
