Among the following,the square planar geometry is exhibited by:

For the complexes showing the square pyramidal structure,the $d-$orbital involved in the hybridisation is

Which of the following ions is not tetrahedral?

Which of the following complexes does not involve inner orbital hybridization?

$A$ coordination compound is made of $Co^{3+}$,$NH_3$,and $Cl^{-}$. $A$ $0.1 \ M$ solution of this complex when treated with excess silver nitrate gave no precipitate. The formula of the complex and secondary valency of metal are respectively.

Identify,from the following,the diamagnetic,tetrahedral complex.