Question

Facial and meridional isomerism will be exhibited by

• A. $[Co(NH_3)_3Cl_3]$
• B. $[Co(NH_3)_4Cl_2]Cl$
• C. $[Co(en)_3 ]Cl_3$
• D. $[Co(NH_3)_5Cl)Cl_2$

Answer 1

Answer: (A)

$[Co(NH_3)_3Cl_3]$

Answer 2

Facial (fac) and meridional (mer) isomerism, a type of geometrical isomerism, is shown by octahedral complexes having $Ma_3b_3$ general formula. Where, Mis cenral metal and a and b are monodentate ligand. Hence, $[Co(NH_3 )_3 Cl_3]$ exhibits fac-mer isomerism as