$N_2$ and $O_2$ are converted into monocations,$N_2^+$ and $O_2^+$ respectively. Which of the following statements is wrong?

  • A
    In $N_2^+$,the $N-N$ bond weakens
  • B
    In $O_2^+$,the $O-O$ bond order increases
  • C
    In $O_2^+$,paramagnetism decreases
  • D
    $N_2^+$ becomes diamagnetic

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$N_2$ and $O_2$ are converted into $N_2^+$ and $O_2^+$ respectively. Which of the following is not correct?

Calculate the bond order for $NO, NO^+, CN, CN^-$ and $CO$.

According to molecular orbital theory,the total number of bonding electron pairs in $O_2$ is

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

Consider the following changes $I$ and $II$ as shown in the figure. The correct statements about these changes $(I)$ and $(II)$ in accordance with $MO$ theory are:
$A$) In $(I)$ bond order increases by $0.5$ from the existing value.
$B$) In $(II)$ bond order decreases by $0.5$ from the existing value.
$C$) In both $(I)$ and $(II)$ magnetic property is changed.
$D$) In both $(I)$ and $(II)$ magnetic property is not changed.

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