InterviewSolution
Saved Bookmarks
InterviewSolution
| 1. |
The energy of `sigma_(2x)`, is greater than that of `sigma_(1s)^**` orbital becauseA. `sigma_(2s)` orbital is formed only after `1s`B. `sigma_(2s)` orbital is bigger than `sigma_(1s)` orbitalC. `sigma_(2s)` orbital has a greater value of `n` than `sigma_(1s)^**`D. `sigma_(2s)` is a bonding orbital while `sigma_(2x)^**` is an antibonding orbital. |
|
Answer» Correct Answer - C Although the antibonding orbital `(sigma_(1s)^**)` has higher energy and is, thus, less stable than the bonding orbitals `(sigma_(1s))`, but this antibonding orbital has greater stability than the bonding orbital `(sigma_(2s))` because the energy of an MO increases as the value of the principal quantum number `(n)` increases. This simply reminds us that the concepts of stability and energy applied here are relative. |
|