Which of the following is correct order of stability?
- A$[\mathrm{NiCl_4}]^{2-} < [PdCl_4]^{2-} < [PtCl_4]^{2-}$
- B$[\mathrm{Co(H_2O)_6}]^{3+} < [Co(NH_3)_6]^{3+} < [Co(CN)_6]^{3-}$
- C$[\mathrm{Co(H_2O)_6}]^{3+} < [Rh(H_2O)_6]^{3+} < [Ir(H_2O)_6]^{3+}$
- DAll of these
✓ Correct answer: D
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