Which of the following facts given is not correct ?
$(I)$ Bond length order : $H^-_2 = H^+_2 > H_2$

$(II)\, O^+_2 ,NO,N^-_2$ have same bond order of $2 \frac{1}{2}$

$(III)$ Bond order can assume any value including zero upto four

$(IV)\, NO^-_3$ and $BO^-_3$ have same bond order for $X - O$ bond (where $X$ is central atom)

  • A

    $I, II$ & $III$

  • B

    $I$ & $IV$

  • C

    $II$ & $IV$

  • D

    $I$ & $II$

Similar Questions

The hybridizations of atomic orbitals of nitrogen in $NO_2^+, NO_3^-$ and $NH_4^+$ respectively are

Give electron configuration, magnetic property, bond order and energy diagram for fluorine $\left( {{{\rm{F}}_2}} \right)$ molecule.

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]

In the synergic bond of metal carbonyls

Which of the following is not paramagnetic

  • [AIIMS 1997]