In the trans-PtCl₂L(CO) complex, the CO stretching frequency for L = NH₃, pyridine, NMe₃ decreases in the… · ABC26IN0229
Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallic Compounds – General · Exam: CSIR NET 2011 · Marks: 2 · Difficulty: Medium
In the trans-$\mathrm{PtCl_2L(CO)}$ complex, the CO stretching frequency for L = $\mathrm{NH_3}$, pyridine, $\mathrm{NMe_3}$ decreases in the order.
(a)pyridine $>$ $\mathrm{NH_3}$ $>$ $\mathrm{NMe_3}$
(b)$\mathrm{NH_3}$ $>$ pyridine $>$ $\mathrm{NMe_3}$
(c)$\mathrm{NMe_3}$ $>$ $\mathrm{NH_3}$ $>$ pyridine
(d)pyridine $>$ $\mathrm{NMe_3}$ $>$ $\mathrm{NH_3}$
Answer
Explanation
Order of donor ability NMe3 > NH3> pyridine Order of CO stretching frequency pyridine > NH3 > NMe3
Explanation as extracted from the printed page; notation may be imperfect.
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