The True Statement about [Cu (H₂ O)₆]²⁺ is · ABC26IN0639
Subject: Inorganic Chemistry · Chapter: Coordination Chemistry · Topic: Coordination Compounds – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Easy
The True Statement about $\left[\mathrm{Cu}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+}$ is
(a)All $\mathrm{Cu}-\mathrm{O}$ bond lengths are equal
(b)One $\mathrm{Cu}-\mathrm{O}$ bond length is shorter than the remaining five
(c)Three $\mathrm{Cu}-\mathrm{O}$ bond lengths are shorter than the remaining three
(d)Four $\mathrm{Cu}-\mathrm{O}$ bond lengths are shorter than the remaining two
Answer
Answer: D ✓ checked by 4AB · confidence high
Explanation
Jahn–Teller elongation: four short equatorial and two long axial Cu–O bonds (d).
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