Of the species NO, , and , the one with minimum bond strength is:

Question

Of the species NO, ,  and , the one with minimum bond strength is:

Canvas Classes · Accepted Answer

Bond strength increases with bond order.

Step 1 — Calculate bond orders:

| Species | e⁻ | Bond Order |
|---------|-----|------------|
|  | 9 | (8−1)/2 = 3.5 |
|  | 10 | (8−2)/2 = 3 |
| NO | 11 | (8−3)/2 = 2.5 |
|  | 12 | (8−4)/2 = 2 |

Step 2: Minimum bond order = minimum bond strength
 has BO = 2 → minimum bond strength

Answer: Option (4) —

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