According to werner theory Primary valency of central atom in  $\left[\mathrm{Cr}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]{\mathrm{Cl}}_3$ Complex is satisfy by fallowing species

• A

  ${\left[\mathrm{Cr}{\left({\mathrm{H}}_2\mathrm{O}\right)}_6\right]}^{+3}$

• B

  Cl^-

• C

  Cr

• D

   H₂O and Cl^-