Determine the magnetic property of $[CoF_6]^{3-}$.

In $[Cr(C_2O_4)_3]^{3-}$,the isomerism shown is :-

The $[Sc(H_2O)_6]^{3+}$ ion is:

The magnetic moment of $[CoF_6]^{3-}$ as per spin only formula (in $BM$) is

Identify the metal ions among $Co^{2+}, Ni^{2+}, Fe^{2+}, V^{3+}$ and $Ti^{2+}$ having a spin-only magnetic moment value more than $3.0 \ BM$. The sum of unpaired electrons present in the high spin octahedral complexes formed by those metal ions is . . . . . . .

Which of the following complexes has a magnetic moment of $2.82 \ B.M.$?