1. Tardigrade
  2. Question
  3. Chemistry
  4. Consider the statements I. Bond length in N 2 + is 0.02 mathringA greater than in N 2. II. Bond length in NO + is 0.09 mathringA less than in NO. III. O 22- has a shorter bond length than O 2. Then which of the following is correct?

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Q. Consider the statements
I. Bond length in $N _{2}{ }^{+}$ is $0.02 \mathring{A}$ greater than in $N _{2}$.
II. Bond length in $NO ^{+}$ is $0.09 \mathring{A}$ less than in $NO$.
III. $O _{2}^{2-}$ has a shorter bond length than $O _{2}$. Then which of the following is correct?

Chemical Bonding and Molecular Structure

Solution:

Bond order of $N _{2}{ }^{+}$ is 2.5 and that of $N _{2}$ is 3 . Hence former bond is weaker and longer. Bond order of $NO$ and $NO ^{+}$ are 2.5 and 3 respectively. Bond order of $O _{2}^{2-}$ and $O _{2}$ are 1 and 2 respectively. Hence $O _{2}$ bond length must be shorter.