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4. Chemical bonding and molecular structure — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry4. Chemical bonding and molecular structure1 Mark
MCQ
The bond order is not three for
  • ✓
    $N_2^ + $
  • B
    $O_2^{2 + }$
  • C
    ${N_2}$
  • D
    $N{O^ + }$
✓

Answer

Correct option: A.
$N_2^ + $
(a) $B.O.$ for $N_2^ + $ =$\frac{1}{2}[{N_b} - {N_a}]$

=$\frac{1}{2}[9 - 4] = \frac{5}{2} = 2.5$.

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