Identify the order representing increasing π-acidity of the following ligands C₂F₄, NEt₃, CO and C₂H₄ · ABC26IN1027

Subject: Inorganic Chemistry · Chapter: Coordination Chemistry · Topic: Molecular Orbital Ligand Field · Exam: CSIR NET JUNE 2013 · Marks: 2 · Difficulty: Medium

Identify the order representing increasing $\pi$-acidity of the following ligands $\mathrm{C}_2\mathrm{F}_4$, $\mathrm{NEt}_3$, $\mathrm{CO}$ and $\mathrm{C}_2\mathrm{H}_4$
(a)$\mathrm{CO}<\mathrm{C}_2\mathrm{F}_4<\mathrm{C}_2\mathrm{H}_4<\mathrm{NEt}_3$
(b)$\mathrm{C}_2\mathrm{F}_4<\mathrm{C}_2\mathrm{H}_4<\mathrm{NEt}_3<\mathrm{CO}$
(c)$\mathrm{C}_2\mathrm{H}_4<\mathrm{NEt}_3<\mathrm{CO}<\mathrm{C}_2\mathrm{F}_4$
(d)$\mathrm{NEt}_3<\mathrm{C}_2\mathrm{H}_4<\mathrm{C}_2\mathrm{F}_4<\mathrm{CO}$
Answer
Answer (as printed): D
Explanation
No explanation was printed for this question.

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