
| 1. | empty \(\sigma^*\) and empty \(\pi^*\) orbitals |
| 2. | filled \(\sigma\) and filled \(\pi\) orbitals |
| 3. | empty \(\sigma\) and empty \(\pi^*\) orbitals |
| 4. | empty \(\sigma^*\) and filled \(\pi\) orbitals |
| 1. | ![]() |
2. | ![]() |
| 3. | ![]() |
4. | ![]() |
| 1. | 2. | ||
| 3. | 4. |
A tertiary butyl carbocation is more stable than a secondary butyl carbocation because-
1. + R effect of groups
2. R effect of CH3 groups
3. Hyperconjugation
4. l effect of CH3 groups
The most stable carbocation among the following is:
| 1. | 2. | ||
| 3. | 4. |