As a ligand Cl⁻ is: · ABC26IN1004
Subject: Inorganic Chemistry · Chapter: Coordination Chemistry · Topic: Molecular Orbital Ligand Field · Exam: CSIR NET JUNE 2012 · Marks: 2 · Difficulty: Easy
As a ligand $\mathrm{Cl}^{-}$ is:
(a)Only a $\sigma$-donor
(b)Only $\pi$ donor
(c)Both a $\sigma$-donor and $\pi$-donor
(d)A $\sigma$-donor and a $\sigma$-acceptor
Answer
Answer: C ✓ checked by 4AB · confidence high
Explanation
Cl⁻ donates a σ lone pair and also π-donates through its filled p orbitals; it is a weak-field π-donor ligand (c).
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