Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallics – General · Exam: JAM 2005-2022 · Marks: 2 · Difficulty: Hard
The Correct order of CO vibrational stretching frequency in the following complexes is (I) $\left(\mathrm{PF}_{3}\right)_{3} \mathrm{Mo}(\mathrm{CO})_{3}$ (II) $\left(\mathrm{PCl}_{3}\right)_{3} \mathrm{Mo}(\mathrm{CO})_{3}$ (III) $\left\{\mathrm{P}(\mathrm{OMe})_{3}\right\}_{3} \mathrm{Mo}(\mathrm{CO})_{3}$