Bond order normally gives

Question:

Bond order normally gives idea of stability of a molecular species. All the molecules viz. $\mathrm{H}_{2}$, $\mathrm{Li}_{2}$ and $\mathrm{B}_{2}$ have the same bond order yet they are not equally stable. Their stability order is:

  1. $\mathrm{Li}_{2}>\mathrm{H}_{2}>\mathrm{B}_{2}$

  2. $\mathrm{H}_{2}>\mathrm{B}_{2}>\mathrm{Li}_{2}$

  3. $\mathrm{B}_{2}>\mathrm{H}_{2}>\mathrm{Li}_{2}$

  4. $\mathrm{Li}_{2}>\mathrm{B}_{2}>\mathrm{H}_{2}$

Correct Option: , 2

Solution:

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