4AB › Chemistry PYQ › CSIR-NET › June 2018 › Q37Q37 · CSIR-NET Chemistry, June 2018 Paper: CSIR-NET June 2018 · Subject: Inorganic Chemistry · Chapter: Coordination Chemistry · Topic: Electron Transfer Redox · Marks: 2 · Difficulty: Medium
Consider the statements A - D regarding equation I-III: \[ \text{(I)}\quad \left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{3-}+\left[\mathrm{Co}(\mathrm{CN})_{5}\right]^{3-} \rightarrow \left[\mathrm{Fe}(\mathrm{CN})_{6}\right]^{4-}+\left[\mathrm{Co}(\mathrm{CN})_{5}\right]^{2-} \]
\[ \text{(II)}\quad \left[\mathrm{Co}(\text{bipy})_{3}\right]^{2+}+\left[\mathrm{Co}^{*}(\text{bipy})_{3}\right]^{3+} \rightarrow \left[\mathrm{Co}(\text{bipy})_{3}\right]^{3-}+\left[\mathrm{Co}^{*}(\text{bipy})_{3}\right]^{2+} \]
\[ \text{(III)}\quad \left[\mathrm{Co}(\mathrm{NH}_{3})\mathrm{F}\right]^{2+}+\left[\mathrm{Cr}(\mathrm{H}_{2}\mathrm{O})_{6}\right]^{2+} \rightarrow \left[\mathrm{Co}(\mathrm{NH}_{3})_{5}(\mathrm{H}_{2}\mathrm{O})\right]^{2+}+\left[\mathrm{Cr}(\mathrm{H}_{2}\mathrm{O})_{5}\mathrm{F}\right]^{2+} \]
(A) Marcus equation is applicable to I and II. (B) Marcus equation is applicable to II only. (C) Equation I and II involve inner sphere electron transfer. (D) Equation I and III involve inner sphere electron transfer. The correct statements are: (a) A and B
(c) B and D
(d) C and D
(b) B and C
Answer SELF-PRACTICE — the source book printed no answer.
Nothing is invented here, so this question has no answer on record.
Explanation No explanation was printed for this question.
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