Which one of the following complexes will exhibit the least paramagnetic behaviour ? [Atomic number, \(\mathrm{Cr}=24,\m…

\({\left[Co{\left({H}_{2}O\right)}_{6}\right]}^{2+}\)

\({\left[Mn{\left({H}_{2}O\right)}_{6}\right]}^{2+}\)

\({\left[Fe{\left({H}_{2}O\right)}_{6}\right]}^{2+}\)

\({\left[Cr{\left({H}_{2}O\right)}_{6}\right]}^{2+}\)