Q45 · CSIR NET Chemistry, December 2013
Paper: CSIR NET December 2013 · Subject: Inorganic Chemistry · Chapter: Bioinorganic Chemistry · Topic: Iron Sulfur Proteins · Marks: 2 · Difficulty: Hard
Oxidised form of enzyme catalase (structure A); prepared by the reaction of $\mathrm{[Fe(P)]^+}$ (P = porphyrin) with $\mathrm{H_2O_2}$ has green color because
(a)Oxidation state of iron changed from $\mathrm{Fe^{III}}$ to $\mathrm{Fe^{IV}}$
(b)Porphyrin ring is oxidized by one electron
(c)$\pi - \pi^*$ transition appears in the visible region
(d)$\mathrm{Fe^{IV}}$ is coordinated with anionic tyrosinate ligand in axial position.
Answer
Answer (as printed): A
Explanation
No explanation was printed for this question.
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