The Fe-Nporphyrin bond distances in the deoxy and oxy-hemoglobin, respectively, are · ABC26IN0880
Subject: Inorganic Chemistry · Chapter: Bioinorganic Chemistry · Topic: Oxygen Carriers Hemoglobin · Exam: CSIR NET JUNE 2015 · Marks: 2 · Difficulty: Easy
The Fe-Nporphyrin bond distances in the deoxy and oxy-hemoglobin, respectively, are
(a)2.1 and $2.0 \AA$
(b)2.0 and $2.0 \AA$
(c)2.2 and $2.3 \AA$
(d)2.3 and $2.5 \AA$
Answer
Answer: A ✓ checked by 4AB · confidence high
Explanation
Deoxy (high-spin Fe²⁺, out of plane) Fe–N ≈ 2.06–2.1 Å; oxy (low-spin, in plane) ≈ 2.0 Å.
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