MCQ
Correct for the complex $[Cu(NH_3)_4]^{2+}$ is/are
- AParamagnetic
- B$dsp^2$ hybridisation
- CSquare planar geometry
- ✓All of these
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$(I)$ $S_2O_4^{2-}$ $(II)$ $S_2O_5^{2-}$ $(III)$ $S_2O_6^{2-}$