Single Choice

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?

A$$C^{2-}_2$$
Correct Answer
B$$N^{2-}_2$$
C$$O_2$$
D$$O^{2-}_2$$

Solution

Solution:- (A) C
2−
2

Chemical Species

Bond Order Magnetic Behaviour
C
2−
2

N
2−
2
3
2 diamagnetic
paramagnetic
O2
O
2−
2
2
1 paramagnetic
diamagnetic
B.O.∝
1
bond length

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

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

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, 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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