The correct order of acceptor ability of the phosphorus ligands is · ABC26IN0273
Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallic Compounds – General · Exam: CSIR NET 2018 · Marks: 2 · Difficulty: Hard
The correct order of acceptor ability of the phosphorus ligands is
(a)$\mathrm{PMe_3 > PPh_3 > P(OPh)_3 > PF_3}$
(b)$\mathrm{PF_3 > P(OPh)_3 > PPh_3 > PMe_3}$
(c)$\mathrm{PF_3 > PMe_3 > PPh_3 > P(OPh)_3}$
(d)$\mathrm{P(OPh)_3 > PF_3 > PMe_3 > PPh_3}$
Answer
Explanation
As the electronegativity of X in PX3 increases, π-acceptor tendency increases. PF3 > P(OPh)3 > PPh3 > PMe3
Explanation as extracted from the printed page; notation may be imperfect.
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