Q2 / 50 · Manipal (MET) 2023 · Chemistry

Which of the following given below species have same bond order? I. $\mathrm{H}_2$ II. $B_2$ III. $\mathrm{O}_2^{2-}$ IV. $\mathrm{Be}_2$ V. $\mathrm{N}_2$ Correct option is

  • A
    $I$ and $II$
  • Correct answer
    B
    $I$, $II$ and $III$
  • C
    $I$, $II$ and $IV$
  • D
    $I$, $IV$ and $V$

Solution

$\mathrm{H}_2, \mathrm{~B}_2, \mathrm{O}_2^{2-}$ have bond order equal which is to 1 and $\mathrm{Be}_2$ and $\mathrm{N}_2$ have 0 and 3 bond order respectively.

Hence, the correct answer is option: 'B'.

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