| (i) | Delocalization of \(\sigma\)-electrons is called hyperconjugation. |
| (ii) | Delocalization of \(\pi\)-electrons is known as resonance. |
| (iii) | Permanent partial displacement of \(\sigma\)-electrons is referred to as inductive effect. |
| 1. | (i) & (iii) | 2. | (ii) & (iii) |
| 3. | (i) & (ii) | 4. | (i), (ii) and (iii) |
Match the ions given in Column I with their nature given in Column II.
| Column I (Ions) |
Column II (Corresponding nature) |
||
| A. | ![]() |
I. | Stable due to resonance |
| B. | ![]() |
II. | Destabilised due to inductive effect |
| C. | ![]() |
III. | Stabilised by hyperconjugation |
| D. | ![]() |
IV. | A secondary carbocation |
Codes:
| Options: | A | B | C | D |
| 1. | I,II | II | II | III,IV |
| 2. | I | II,IV | III | IV |
| 3. | I | IV | III | II |
| 4. | IV | I | III | II |