Valence Bond Theory

How many EDTA (ethylene diaminetetracetic acid) molecules are required to make an octahedral complex  ${\text{Ca}}^{\text{2}+}$  ion?

The structure of which of the following chloro species can be explained on the basis of  $ds{p}^2$ hybridisation?

What is the hybridisation of central metal atom of complex compound with coordination number $2$.

 The metal with coordination number two in complex compound forms _____ complex.

What is the geometry of ${\left[\mathrm{Cu}{\left({\mathrm{NH}}_3\right)}_4\right]}^{2+}$?

How valence bond limits the electroneutrality and back bonding?

What are the drawbacks of valence bond theory in coordination compounds?

Which one of the following has the lowest value of paramagnetic behaviour?

Which of the following complex is an outer orbital complex?

Which one of the following has the regular tetrahedral structure?

${\mathrm{NiCl}}_2$ in alkaline medium is treated with$῾\mathrm{A᾽}$ to give a complex$῾\mathrm{B}᾽$, which is a rosy-red precipitate. The incorrect statement about $\mathrm{A}$ and $\mathrm{B}$ is:

The magnetic moment (in ${\mu }_{\mathrm{B}}$) of $\left[\mathrm{Ni}(\mathrm{dimethylglyxoimate}{)}_2\right]$ complex is closest to:

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

What happens if $\mathrm{NO}$ reacts with $\left[\mathrm{Cr}{\left(\mathrm{CO}\right)}_6\right]$?

Which of the following statements is not true?

Among the following, the pair of paramagnetic complexes is 

Magnetic measurement indicates that ${\left[\mathrm{Co}{\left({\mathrm{OH}}_2\right)}_6\right]}^{2+}$ has three unpaired electrons.
Therefore, the hybridization of the metal in ${\left[\mathrm{Co}{\left({\mathrm{OH}}_2\right)}_6\right]}^{2+}$ is: