Q57 / 180 · NEET 2025 · Chemistry

Given below are two statements : Statement I : A hypothetical diatomic molecule with bond order zero is quite stable. Statement II : As bond order increases, the bond length increase. In the light of the above statements, choose the most appropriate answer from the options given below :

  • A
    Both Statement I and Statement II are true
  • Correct answer
    B
    Both Statement I and Statement II are false
  • C
    Statement I is true but Statement II are false
  • D
    Statement I is false but Statement II are true

Solution

$\left.\begin{array}{l}\mathrm{He}_2 \\ \mathrm{Be}_2 \\ \mathrm{Ne}_2\end{array}\right\} \begin{aligned} & \text { Bond order }=0 \text { (does not exist) } \\ & \text { Statement } \mathrm{I} \text { is false }\end{aligned}$ $\text { Bond order } \propto \frac{1}{\text { Bond length }}$ Statement II is false

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

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