ABC26IN0245 · Organometallic Compounds
Subject: Inorganic Chemistry · Chapter: Organometallic Compounds · Topic: Organometallic Compounds – General · Exam: CSIR-NET 2014 · Marks: 2 · Difficulty: Easy
The point group symmetries for trans-$\mathrm{[Cr(en)_2F_2]^{+}}$ and $\mathrm{[TiCl_6]^{3-}}$, respectively, are
(a)$\mathrm{D_{4d}}$ and $\mathrm{D_{3d}}$
(b)$\mathrm{D_{3d}}$ and $\mathrm{D_{4d}}$
(c)$\mathrm{D_{4h}}$ and $\mathrm{D_{3h}}$
(d)$\mathrm{D_{3h}}$ and $\mathrm{D_{4h}}$
Answer
Explanation
Co4(CO)12 TVE =36+ 24 = 60 PEC=TVE-(nx12)=60-48=12 PEC/2=12/2 = 6 = 4+2 (n+2=Nido)
Explanation as extracted from the printed page; notation may be imperfect.
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