Which of the following has unpaired electron $(s)$ ?
Which of the following has unpaired electron $(s)$ ?
- [JEE MAIN 2014]
- A
$N_2$
- B
$O_2^ - $
- C
$N_2^{2 + }$
- D
$O_2^{2 - }$
Similar Questions
In which $O-O$ bond distance is minimum
In which $O-O$ bond distance is minimum
Match each of the diatomic molecules in Column $I$ with its property / properties in Column $II$.
Column $I$
Column $II$
$(A)$ $\mathrm{B}_2$
$(p)$ Paramagnetic
$(B)$ $\mathrm{N}_2$
$(q)$ Undergoes oxidation
$(C)$ $\mathrm{O}_2^{-}$
$(r)$ Undergoes reduction
$(D)$ $\mathrm{O}_2$
$(s)$ Bond order $\geq 2$
$(t)$ Mixing of ' $\mathrm{s}$ ' and ' $\mathrm{p}$ ' orbitals
Match each of the diatomic molecules in Column $I$ with its property / properties in Column $II$.
| Column $I$ | Column $II$ |
| $(A)$ $\mathrm{B}_2$ | $(p)$ Paramagnetic |
| $(B)$ $\mathrm{N}_2$ | $(q)$ Undergoes oxidation |
| $(C)$ $\mathrm{O}_2^{-}$ | $(r)$ Undergoes reduction |
| $(D)$ $\mathrm{O}_2$ | $(s)$ Bond order $\geq 2$ |
| $(t)$ Mixing of ' $\mathrm{s}$ ' and ' $\mathrm{p}$ ' orbitals |
- [IIT 2009]
Match $List-I$ with $List-II$.
$List-I$
$List-II$
$(A)$ $\Psi_{ MO }=\Psi_{ A }-\Psi_{ B }$
$(I)$ Dipole moment
$(B)$ $\mu=Q \times I$
$(II)$ Bonding molecular orbital
$(C)$ $\frac{N_{b}-N_{a}}{2}$
$(III)$ Anti-bonding molecualr orbital
$(D)$ $\Psi_{ MO }=\Psi_{ A }+\Psi_{ B }$
$(IV)$ Bond order
Match $List-I$ with $List-II$.
| $List-I$ | $List-II$ |
| $(A)$ $\Psi_{ MO }=\Psi_{ A }-\Psi_{ B }$ | $(I)$ Dipole moment |
| $(B)$ $\mu=Q \times I$ | $(II)$ Bonding molecular orbital |
| $(C)$ $\frac{N_{b}-N_{a}}{2}$ | $(III)$ Anti-bonding molecualr orbital |
| $(D)$ $\Psi_{ MO }=\Psi_{ A }+\Psi_{ B }$ | $(IV)$ Bond order |
- [JEE MAIN 2022]
A simplified application of $MO$ theory to the hypothitical molecule $'OF'$ would give its bond order as :-
A simplified application of $MO$ theory to the hypothitical molecule $'OF'$ would give its bond order as :-
Which of the following is not paramagnetic
Which of the following is not paramagnetic
- [AIIMS 1997]