MCQ
The correct stability order for the following species is


- A$(I) > (II) > (III) > (IV)$
- B$(II) > (III) > (IV) > (I)$
- ✓$(I) > (III) > (II) > (IV)$
- D$(III) > (IV) > (I) > (II)$

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$3K_2MnO_4+2H_2O+4CO_2 \rightarrow 2X+Y+4KHCO_3$
Reason : Half-filled s orbital has greater stability.