Multiple Choice

Which of the following pairs have identical values of bond order?

A$$\displaystyle\:N_{2}^{+}$$ and $$O_{2}^{+}$$
Correct Answer
B$$\displaystyle\:F_{2}$$ and $$Ne_{2}$$
C$$\displaystyle\:O_{2}^{2-}$$ and $$B_{2}$$
Correct Answer
D$$\displaystyle\:C_{2}$$ and $$N_{2}$$

Solution

$${ N }_{ 2 }^{ + }=\cfrac { 9-4 }{ 2 } =2.5$$ $${ O }_{ 2 }^{ + }=\cfrac { 10-5 }{ 2 } =2.5$$
$${ F }_{ 2 }=\cfrac { 10-8 }{ 2 } =\cfrac { 2 }{ 2 } =1$$ $${ Ne }_{ 2 }=\cfrac { 10-10 }{ 2 } =0$$
$${ O }_{ 2 }^{ 2- }=\cfrac { 10-8 }{ 2 } =1$$ $${ B }_{ 2 }=\cfrac { 6-4 }{ 2 } =1$$
$${C }_{ 2 }=\cfrac { 8-4 }{ 2 } =2$$ $${ N }_{ 2 }=\cfrac { 10-4 }{ 2 } =3$$
So the molecular pairs with similar Bond orders are as follows:-
(a) $${ N }_{ 2 }^{ + }$$ and $${ O }_{ 2 }^{ + }$$ (Bond order=2.5)
(b) $${ O }_{ 2 }^{ 2- }$$ and $${ B }_{ 2 }$$ (Bond order=1)

SIMILAR QUESTIONS

Chemical Bonding

Which of the following does not exist?

Chemical Bonding

The bond order of $$NO$$ is $$2.5$$ while that of $$NO^{+}$$ is $$3$$. Which of the following statements is true for these two species?

Chemical Bonding

The correct order of bond dissociation energy among $$N_2,\ O_2,\ O_2^-$$ is shown in which of the following arrangements?

Chemical Bonding

"$$He_2$$ does not exist since its bond-order is zero." Answer whether the above statement is true or false.

Chemical Bonding

Bond order of $$O_2, O_2^+, O_2^-$$ and $$O_2^{2-}$$ is in order________.

Chemical Bonding

The bond order and the magnetic characteristics of $$\text {CN}^-$$ are:

Chemical Bonding

Using MO theory, predict which of the following species has the shortest bond length?

Chemical Bonding

Among the following molecules/ions, $$C^{2-}_2, N^{2-}_2, O^{2-}_2, O_2$$ which one is diamagnetic and has the shortest bond length?

Chemical Bonding

Among the following, the molecule expected to be stabilized by anion formation is: $${C}_{2},{O}_{2},NO,{F}_{2}$$

Chemical Bonding

During the change of $$O_2$$ to $$O_2^-$$, the incoming electrons goes to the orbital:

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