A Certain Transition Element Has the Stable Oxidation States of +2

question 20

Multiple Choice

A certain transition element has the stable oxidation states of +2, +3, +4, +5, and +6. In which state will the element be most likely to form a covalent bond with chlorine?

• A)+2
• B)+3
• C)+4
• D)+5
• E)+6

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Definitions:

Resonance Structures

Representations of a molecule showing different possible positions for double bonds and lone pairs, indicating the molecule's delocalized electrons.

Sigma Complex

An intermediate in certain chemical reactions characterized by a covalent bond (sigma bond) between the reactant and a metal atom from the catalyst.

Nitroacetophenone

An organic compound containing both a nitro group and an acetyl group attached to a benzene ring, used in the synthesis of dyes and pharmaceuticals.

Bromination

A chemical reaction involving the addition of bromine (Br2) to organic compounds, typically to add bromine atoms or convert double bonds into Br-containing derivatives.