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NEET UG CHEMISTRY MCQ: 14 TH GROUP ELEMENTS (P-BLOCK)
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Assertion (A) : Nickel (II) compounds tend to be thermodynamically more stable than platinum (II).
Reason (R): Platinum (IV) compounds are relatively more stable than nickel (IV) compounds.
Reason (R): Platinum (IV) compounds are relatively more stable than nickel (IV) compounds.
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Correct option: B
Both and are true but is not the correct explanation of .
Option B is correct because both the assertion and the reason are true, but the reason is not the correct explanation of the assertion. Nickel(II) compounds are thermodynamically more stable than platinum(II), and platinum(IV) compounds are relatively more stable than nickel(IV) compounds, but the latter does not explain the former.
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