The correct statement for Mn-O bond lengths in
[Mn(H2O)6]2+ is
A. All bonds are equal
B. Four bonds are longer than two others
C. Two bonds are longer than four others
D. They are shorter than the Mn-O bond in [MnO4] -
Ans: A. All bonds are equal
Mn aqua complex do not allow any distortion because of symmetrical d5 distribution. All Mn-O bond are equal.
Metal aquo complexes are coordination compounds containing metal ions with only water as a ligand. They have the general stoichiometry [M(H2O)n]z+
Reference: Mark I. Ogden and Paul D. Beer "Water & O-Donor Ligands" in Encyclopedia of Inorganic Chemistry, Wiley-VCH, 2006, Weinheim. doi:10.1002/0470862106.ia255
B. Four bonds are longer than two others
C. Two bonds are longer than four others
D. They are shorter than the Mn-O bond in [MnO4] -
Ans: A. All bonds are equal
Reference: Mark I. Ogden and Paul D. Beer "Water & O-Donor Ligands" in Encyclopedia of Inorganic Chemistry, Wiley-VCH, 2006, Weinheim. doi:10.1002/0470862106.ia255
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