Two pi and half sigma bonds are present in:

Question:

Two pi and half sigma bonds are present in:

  1. $\mathrm{N}_{2}^{+}$

  2. $\mathrm{N}_{2}$

  3. $\mathrm{O}_{2}^{+}$

  4. $\mathrm{O}_{2}$


Correct Option: 1,

Solution:

$\mathrm{N}_{2}^{\oplus} \Rightarrow \mathrm{BO}=2.5 \Rightarrow\left[\pi-\right.$ Bond $=2 \& \sigma-$ Bond $\left.=\frac{1}{2}\right]$

$\mathrm{N}_{2} \Rightarrow$ B.O. $=3.0 \Rightarrow[\pi-$ Bond $=2 \& \sigma-$ Bond $=1]$

$\mathrm{O}_{2}^{\oplus}=$ B.O. $\Rightarrow 2.5 \Rightarrow[\pi$-Bond $=1.5 \& \sigma$-Bond $=1]$

$\mathrm{O}_{2} \Rightarrow$ B.O. $\Rightarrow 2 \Rightarrow[\pi$-Bond $\Rightarrow 1 \& \sigma$-Bond $=1]$

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