One mole of complex compound `Co(NH_3)_5Cl_3` gives 3 moles of ions on dissolution in water. One mole of same complex reacts with two moles of `AgNO_3` to yield two moles of `AgCl(s)`. The complex is:

Options

A. `[Co(NH_3)_5Cl]Cl_2`
B. `[Co(NH_3)_3Cl_3].2 NH_3`
C. `[Co(NH_3)_4Cl_2]Cl. NH_3`
D. `[Co(NH_3)_4 Cl]Cl_2. NH_3`

Answer

A

Explanation

Properties of ionic solid