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K2PtCl6 is well known compound and corresponding Ni4+ Salt is unknown? Whereas Ni+2 is more stable than Pt+2. |
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Answer» Sum of four ionisation enthalpy for Pt is less than Ni so Pt(IV) is more stable than Ni(IV) where as sum of two ionisation enthalpy for Ni is less than Pt hence Ni(II) is more stable. |
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