ABC26IN1478 · Organometallic Compounds

Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallic Compounds – General · Exam: NET DEC 2018 · Marks: 2 · Difficulty: Medium

Match the following complexes with their $\mathrm{v}_{\mathrm{CO}}$ stretching frequency
Complex$\mathrm{v}_{\mathrm{CO}}\left(\mathrm{cm}^{-1}\right)$ values
(A) $\mathrm{Mo}\left(\mathrm{PF}_{3}\right)_{3}(\mathrm{CO})_{3}$(I) 1835, 1934
(B) $\mathrm{Mo}\left\{\mathrm{P}(\mathrm{OMe})_{3}\right\}_{3}(\mathrm{CO})_{3}$(II) 1888, 1977
(C) $\mathrm{Mo}\left(\mathrm{PPh}_{3}\right)_{3}(\mathrm{CO})_{3}$(III) 2055, 2090
(D) $\mathrm{Mo}(\text { pyridine })_{3}(\mathrm{CO})_{3}$(IV) 1746, 1888
The correct match is
(a)A-I, B-IV, C-II, D-III
(c)A-IV, B-III, C-I, D-II
(b)A-III, B-II, C-I, D-IV
(d)A-I, B-II, C-III, D-IV
Answer
Answer (as printed): B
Explanation
No explanation was printed for this question.

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