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 |
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 ortho and para position relative to meta position by resonance. |
D. | Directs the incoming electrophile to meta position by increasing the charge density relative to ortho and para position. |
Choose the correct option
1. (A, B)
2. (B, C)
3. (C, D)
4. (A, C)
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