GATE 2024 CY – Question 11

Inorganic Chemistry · Organometallics: 18-Electron rule; metal-alkyl, metal-carbonyl, metal-olefin and metal-carbene complexes and metallocenes. Fluxionality in organometallic complexes. Types of organometallic reactions. Homogeneous catalysis – Hydrogenation, hydroformylation, methanol to acetic acid process, olefin metathesis and Wacker oxidation. Heterogeneous catalysis – Fischer-Tropsch reaction, Ziegler-Natta polymerization. · 1 mark · Multiple choice

1. $[\mathrm{Mn(CO)_6}]^+$
2. $[\mathrm{V(CO)_6}]^-$
3. $[\mathrm{Cr(CO)_5}]$
4. $[\mathrm{Cr(dien)(CO)_3}]$ (dien: diethylenetriamine)

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