In the trans- PtCl₂ L(CO) complex, the CO stretching frequency for L=NH₃, pyridine, NMe₃ decreases in the… · ABC26IN1353

Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallic Compounds – General · Exam: CSIR NET DEC 2011 · Marks: 2 · Difficulty: Medium

In the trans- $\mathrm{PtCl}_{2} \mathrm{L}(\mathrm{CO})$ complex, the CO stretching frequency for $\mathrm{L}=\mathrm{NH}_{3}$, 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

Answer: A ✓ checked by 4AB · confidence high

Explanation

ν(CO): pyridine > NH₃ > NMe₃ (a).

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