- 1(current)
Q. No.Match the following reactants in Column I with the corresponding reaction products in Column II.
|
Column I |
Column II |
|
A. |
1. Benzoic acid |
|
B. |
2. Methyl phenyl ketone |
|
C. |
3. Toluene |
|
D. |
4. Chlorobenzene |
|
5. Benzene hexachloride |
| Options: | A | B | C | D |
| 1. | 4 | 3 | 2 | 1 |
| 2. | 1 | 2 | 3 | 5 |
| 3. | 5 | 4 | 3 | 2 |
| 4. | 4 | 5 | 3 | 2 |
Subtopic: Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
92%
Level 1: 80%+
Hints
For an electrophilic substitution reaction, the presence of a halogen atom in the benzene ring:
| A | Deactivates the ring by inductive effect |
| B | Deactivates the ring by resonance |
| C | Increases the charge density at the ortho and the para positions relative to the meta position by resonance |
| D | Directs the incoming electrophile to the meta position by increasing the charge density relative to the ortho and the para positions |
Choose the correct option:
| 1. | A and B | 2. | B and C |
| 3. | C and D | 4. | A and C |
Subtopic: Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
72%
Level 2: 60%+
Hints
What is the impact of the nitro substituent on the reactivity and orientation of electrophilic substitution in nitrobenzene?
| (a) | Deactivates the ring by inductive effect. |
| (b) | Activates the ring by inductive effect. |
| (c) | Decreases the charge density at the ortho and para positions of the ring relative to the meta position by resonance. |
| (d) | Increases the charge density at the meta position relative to the ortho and the para positions of the ring by resonance. |
Choose the correct option:
1. a and b
2. b and c
3. c and d
4. a and c
Subtopic: Aromatic Hydrocarbons - Benzene - Structure, Preparation & Chemical Reactions |
70%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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