MCQ
The set which does not have ambidentate ligand(s) is
- ✓$C _2 O _4^{2-}$, ethylene diammine, $H _2 O$
- B$EDTA ^{4-}, NCS ^{-}, C _2 O _4^{2-}$
- C$NO _2^{-}, C _2 O _4^{2-}$, EDTA $^{4-}$
- D$C _2 O _4^{2-}, NO _2^{-}, NCS ^{-}$

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${\left[ {Fe{{\left( {CN} \right)}_6}} \right]^{ - 4}}\,\xrightarrow{{MnO_4^ - /{H^ + }}}F{e^{ + 3}} + C{O_2} + NO_3^ - $

${K}_2 \mathrm{Cr}_2 \mathrm{O}_7$ & ${CuSO}_4$
SideX $SPM$ Side $\mathrm{Y}$ Due to osmosis :
(Atomic No. $= Ti : 22,$ $Cr : 24$ and $Mo : 42$ )