# Complexes (ML5) of metals Ni and Fe have ideal

Question:

Complexes $\left(\mathrm{ML}_{5}\right)$ of metals $\mathrm{Ni}$ and $\mathrm{Fe}$ have ideal square pyramidal and trigonal bipyramidal grometries, respectively. The sum of the $90^{\circ}, 120^{\circ}$ and $180^{\circ} \mathrm{L}-\mathrm{M} \mathrm{L}$ angles in the two complexes is__________

Solution:

NTA Ans. $(20$ to 20$)$