Match the following molecules/ions in List-$I$ with their respective bond orders in List-$II$:
| List-$I$ (Molecules/ions) | List-$II$ (Bond order) |
| :--- | :--- |
| $A. N_2^+$ | $I. 1.0$ |
| $B. CO$ | $II. 1.5$ |
| $C. O_2$ | $III. 2.0$ |
| $D. O_2^-$ | $IV. 2.5$ |
| | $V. 3.0$ |

  • A
    $A-IV, B-V, C-III, D-II$
  • B
    $A-III, B-V, C-IV, D-II$
  • C
    $A-IV, B-V, C-II, D-III$
  • D
    $A-V, B-IV, C-III, D-II$

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Match the species given in List-$I$ with their bond orders given in List-$II$.
List-$I$ List-$II$
$(1)$ ${\rm{NO}}$ $(A)$ $1.5$
$(2)$ ${\rm{CO}}$ $(B)$ $2.0$
$(3)$ ${\rm{O}}_2^-$ $(C)$ $2.5$
$(4)$ ${\rm{O}}_2$ $(D)$ $3.0$

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