Coordination CompoundHard
Question
In which case racemic mixture is obtained on mixing its mirror images in 1 : 1 molar ratio ?
Options
A.[Cr(en)3]3+
B.[Ni(DMG)2]
C.cis-[Cu(Gly)2]
D.in all
Solution
(A) [Cr(en)3]3+ exists in d- and l-forms due to the absence of one of the symmetry element(s). So it will give racemic mixture when d- and l-forms are mixed in 1 : 1 molar ratio.
(B) [Ni(DMG)2] have square planar geometry and thus have mirror plane so optically inactive.
(C) cis-[Cu(Gly)2] have square planar geometry and thus have mirror plane so optically inactive.
(B) [Ni(DMG)2] have square planar geometry and thus have mirror plane so optically inactive.
(C) cis-[Cu(Gly)2] have square planar geometry and thus have mirror plane so optically inactive.
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