Question

The correct statement among the following is:

• A. Ferrocene has two cyclohexadiene rings coordinated to iron atom.
• B. Ferrocene has two cyclopentadienyl anion rings bonded to iron (II) ion.
• C. Perxenate ion is [XeO₂F₂]²⁻.
• D. Perxenate ion is tetrahedral in shape.

Hint:

Ferrocene is an organometallic compound with a stable, sandwich-like structure.

Answer 1

The Correct Option is B

Step 1: Structure of Ferrocene Ferrocene is ${Fe}(\eta^5 - {C}_5{H}_5)_2$.
It consists of two $\eta^5$-cyclopentadienyl ({Cp}$^-$) anions bonded to an Fe$^{2+}$ ion.
It exhibits a "sandwich" structure with iron between two parallel Cp rings.