When Two Lewis Structures Are Related as Resonance Forms,which of the Following

question 24

Multiple Choice

When two Lewis structures are related as resonance forms,which of the following are true?
I. When compared,the resonance forms have the same atoms connected in the same order.
II. Either individual Lewis structure can be used as an accurate representation of valence electron distribution.
III.Electrons in single bonds may be delocalized in the resonance forms.
IV.Electrons in a multiple bond may be delocalized in the resonance forms.
V. A lone pair of electrons on an atom adjacent to a multiple bond can be delocalized in the resonance forms.

• A)All are true.
• B)Only I, II, IV, and V are true.
• C)Only I, III, IV, and V are true.
• D)Only I, IV, and V are true.
• E)Only I and IV are true.

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Definitions:

Structure

The three-dimensional arrangement of atoms within a molecule, which determines its chemical behavior.

Polypropylene

A thermoplastic polymer made through the polymerization of propylene, used in packaging, textiles, and various types of containers.

Carbonate Ester

An organic compound formed by the reaction of a carbonate ion with an alcohol, often used as solvents and intermediates in chemical synthesis.

Glass Transition Temperature

The temperature range over which a polymer changes from a hard, glassy state to a soft, rubbery state.