Select the correct code regarding the total number of stereoisomers for the following compounds:
$I. [Ma_3b_2c]^{n \pm}, II. [M(AB)_3]^{n \pm}, III. [Ma_2b_2c_2]^{n \pm}$
$I - II - III$

The species with spin only magnetic moment of $\sqrt{24} \, BM$ is

Which of the following species shows the maximum magnetic moment?

$X$ is the number of geometrical isomers exhibited by $[Pt(NH_3)(H_2O)BrCl]$.
$Y$ is the number of optically inactive isomer$(s)$ exhibited by $[CrCl_2(ox)_2]^{3-}$.
$Z$ is the number of geometrical isomers exhibited by $[Co(NH_3)_3(NO_2)_3]$.
The value of $X+Y+Z$ is . . . . . . .

Identify the types of isomers shown in the structures $(i)$ and $(ii)$:

$A$ chromium complex with a formula $CrCl_3 \cdot 6H_2O$ has a spin-only magnetic moment value of $3.87 \ BM$ and its solution conductivity corresponds to a $1:2$ electrolyte. $2.75 \ g$ of the complex was dissolved and passed through a cation exchanger. The solution obtained after the process was reacted with excess $AgNO_3$. The amount of $AgCl$ formed in the above process is . . . . . . $g$. (Nearest integer) [Given: Molar mass in $g \ mol^{-1}$: $Cr = 52, Cl = 35.5, Ag = 108, O = 16, H = 1$]