Which of the following molecular orbitals has a nodal plane and is relatively higher in energy compared to bonding orbitals?
- A${\sigma 2p_z}$
- B${\pi 2p_x}$
- C${\sigma ^* 2p_z}$
- D${\sigma ^* 2p_y}$
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Give the electron configuration,bond order,magnetic property,and energy diagram for the Lithium $(Li_{2})$ molecule.
Difficult
View SolutionMatch the following molecules/ions in List-$I$ with their respective bond orders in List-$II$:
| List-$I$ (Molecules/ions) | List-$II$ (Bond order) |
| :--- | :--- |
| $A. N_2^+$ | $I. 1.0$ |
| $B. CO$ | $II. 1.5$ |
| $C. O_2$ | $III. 2.0$ |
| $D. O_2^-$ | $IV. 2.5$ |
| | $V. 3.0$ |
| List-$I$ (Molecules/ions) | List-$II$ (Bond order) |
| :--- | :--- |
| $A. N_2^+$ | $I. 1.0$ |
| $B. CO$ | $II. 1.5$ |
| $C. O_2$ | $III. 2.0$ |
| $D. O_2^-$ | $IV. 2.5$ |
| | $V. 3.0$ |
According to molecular orbital theory,the total number of bonding electron pairs in $O_2$ is
The number of electrons present in bonding and antibonding orbitals in $O_2^{2-}$ is respectively
The paramagnetic nature of oxygen can be explained by
Easy
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