Pick the true statement amongst the following.
(A) \(Ni (II)\) compounds are less stable than \(Pt(II)\) compounds
(B) \(Ni (IV)\) compounds are more stable that \(Pt(IV)\) compounds
(C) \(Ni (IV)\) compounds are less stable than \(Pt(IV)\) compounds
(D) \(Ni (IV)\) compounds are more stable than \(Pt(II)\) compounds
(A) \(Ni (II)\) compounds are less stable than \(Pt(II)\) compounds
(B) \(Ni (IV)\) compounds are more stable that \(Pt(IV)\) compounds
(C) \(Ni (IV)\) compounds are less stable than \(Pt(IV)\) compounds
(D) \(Ni (IV)\) compounds are more stable than \(Pt(II)\) compounds
Answer
Answer: C
Platinum (IV) compounds are relatively more stable thannickel (IV) compounds. Because the sum of the first four ionization enthalpiesfor nickel is greater than that of platinum. The ionization of Ni to Ni(IV)requires more energy than the energy required by Pt to form Pt(IV).
Hence option C is correct.
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