-
nitrate and sulfate. Upon
addition of
excess chloride,
solutions of the
hexaaquo complex converts to the deep blue CoCl2−4,
which is tetrahedral. Softer...
- two
separate salts: it
completely dissociates into
simple ions
while a
hexaaquo complex does not; the
complex ion
remains unchanged. Similarly, pot****ium...
-
hydrolyzed species often exhibit very
different properties from the
precursor hexaaquo complex. For example,
water exchange in [Al(H2O)5OH]2+ is 20000
times faster...
-
their presence does not
change the
molecular geometry. For example, the
hexaaquo complexes M(H2O)6 are all
octahedral for M = V3+, Mn3+, Co3+, Ni2+ and...
-
bound to Mn as well as two
mutually cis,
unidentate nitrate ligands. The
hexaaquo salt
features octahedral [Mn(H2O)6]2+. Manganese(II)
nitrate is prepared...
- VSO4(H2O)6 [V(H2O)6] none
Adopts the
hexahydrite motif VSO4(H2O)7 [V(H2O)6] one
hexaaquo VOSO4(H2O)5 [VO(H2O)4(κ1-SO4)4] one Cr(SO4)(H2O)3 [Cr(H2O)3(κ1-SO4)] none...
- perchlorate, and copper(II)
perchlorate are
commonly encountered as
their hexaaquo complexes. The
preparation of
perchlorate complexes can be challenging...
- VCl2: 2 VCl3 → VCl2 + VCl4 VCl2
dissolves in
water to give the
purple hexaaquo ion [V(H2O)6]2+.
Evaporation of such
solutions produces crystals of [V(H2O)6]Cl2...
-
determines the
colour of the solutions,
which can
range from
yellow (the
hexaaquo ion) to "raspberry-red". Some of
these species are the aquo
complexes [Rh(H2O)6]3+...
- the α-form. The
anhydrous salts adopt the
cadmium halide structures. The
hexaaquo salt
consists of
separated [Co(H2O)6]2+ and
iodide ions as
verified crystallographically...
