Chiral complex from the following is : Here en = ethylene diamine

The primary and secondary valencies of cobalt respectively in $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_5 \mathrm{Cl}\right] \mathrm{Cl}_2$ are :

Number of ambidentate ligands among the following is $\_\_\_\_$
$ \mathrm{NO}_2^{-}, \mathrm{SCN}^{-}, \mathrm{C}_2 \mathrm{O}_4^{2-}, \mathrm{NH}_3, \mathrm{CN}^{-}, \mathrm{SO}_4^{2-}, \mathrm{H}_2 \mathrm{O} $

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): The total number...

Which of the following complex is homoleptic?

Given below are two statements: Statement (I): A solution of [Ni(H_2 O)_6 ]^(2+) is green in colour. Statement (II): A solution of [Ni(CN)_4 ]^(2-) is...

The 'spin only' magnetic moment value of $\mathrm{MO}_4{ }^{2-}$ is BM. (Where M is a metal having least metallic radii. among Sc,Ti,V,Cr,Mn and Zn )....

Number of complexes with even number of electrons in $t_{2 g}$ orbitals is -
$\begin{aligned} & {\left[\mathrm{Fe}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+},\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+},\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{3+},} \\ & {\left[\mathrm{Cu}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+},\left[\mathrm{Cr}\left(\mathrm{H}_2 \mathrm{O}\right)_6\right]^{2+}}\end{aligned}$

The correct order of ligands arranged in increasing field strength.

Number of complexes from the following with even number of unpaired "d" electrons is