Assuming that Hund's rule is violated,the bond order and magnetic nature of the diatomic molecule $B_2$ is
- A$1$ and diamagnetic
- B$0$ and diamagnetic
- C$1$ and paramagnetic
- D$0$ and paramagnetic
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The total number of antibonding molecular orbitals,formed from $2s$ and $2p$ atomic orbitals in a diatomic molecule is . . . . . .
DifficultJEE MAIN 2024
View SolutionAccording to molecular orbital theory,the paramagnetism of the $O_2$ molecule is due to the presence of
Medium
View SolutionExplain in short: $MO$ occupancy and molecular properties for $B_2, C_2, N_2, O_2, F_2, Ne_2$.
Match List-$I$ with List-$II$.
List-$I$ (Molecule) List-$II$ (Number and types of bond/s between two carbon atoms) $A.$ Ethane $I.$ One $\sigma$-bond and two $\pi$-bonds $B.$ Ethene $II.$ Two $\pi$-bonds $C.$ Carbon molecule,$C_2$ $III.$ One $\sigma$-bond $D.$ Ethyne $IV.$ One $\sigma$-bond and one $\pi$-bond
Choose the correct answer from the options given below:
| List-$I$ (Molecule) | List-$II$ (Number and types of bond/s between two carbon atoms) |
| $A.$ Ethane | $I.$ One $\sigma$-bond and two $\pi$-bonds |
| $B.$ Ethene | $II.$ Two $\pi$-bonds |
| $C.$ Carbon molecule,$C_2$ | $III.$ One $\sigma$-bond |
| $D.$ Ethyne | $IV.$ One $\sigma$-bond and one $\pi$-bond |
Choose the correct answer from the options given below:
MediumNEET 2024
View SolutionWhich of the following has a three-electron bond in its structure?
Easy
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