ABC26IN0077 · Coordination Chemistry
Subject: Inorganic Chemistry · Chapter: Coordination Chemistry · Topic: Electron Transfer Redox · Exam: CSIR-NET 2011 · Marks: 2 · Difficulty: Easy
Consider two redox pairs: (1) Cr(II)/Ru(III)
(2) Cr(II)/Co(III)
The rate of acceleration in going from a outer-sphere to a inner-sphere mechanism is lower for (1) relative to (2). Its correct explanation is
(a)HOMO/LUMO are $\sigma^{*}$ and $\sigma^{*}$ respectively.
(b)HOMO/LUMO are $\sigma^{*}$ and $\pi^{*}$ respectively.
(c)HOMO/LUMO are $\pi^{*}$ and $\sigma^{*}$ and respectively.
(d)HOMO/LUMO are $\pi^{*}$ and $\pi^{*}$ respectively.
Answer
Explanation
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