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Lewis Dot Structures With Resonance

This worksheet covers Lewis Dot Structures With Resonance, which is part of the Drawing Lewis Dot Structures module in the Chemistry course. Practice problems are designed to strengthen key concepts and build confidence.

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Simple Lewis Dot Structures

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Lewis Dot Structures With Resonance

Drawing Lewis Dot Structures • Chemistry

Set 1 — Foundation

Which of the following molecules exhibits resonance?

$CO_{2}$

$N_{2}$

$O_{3}$

$CH_{4}$

What is the formal charge on the central atom in the Lewis structure of $SO_{2}$ ?

$0$

$+1$

$-1$

$+2$

Which of the following is a valid resonance structure for $NO_{3}^{-}$ ?

$O=N-O^{-}$

$O-N=O^{-}$

$O-N=O$

$O=N-O$

How many resonance structures can be drawn for $C_{6}H_{6}$ (benzene)?

$1$

$2$

$3$

$6$

What is the primary reason for resonance structures in molecules?

To show multiple bond types

To represent electron delocalization

To balance charges

To indicate lone pairs

Which of the following is a characteristic of resonance structures?

They differ only in the arrangement of atoms.

They have the same number of electrons.

They will always have the same formal charges.

They have different molecular geometries.

Which of the following molecules shows resonance and has a positive charge?

$NO_{2}$

$NH_{4}^{+}$

$C_{2}H_{4}$

$CO_{3}^{2-}$

In the Lewis structure of $C_{2}O_{4}^{2-}$ , how many resonance structures are possible?

$1$

$2$

$3$

$4$

Which of these compounds does NOT exhibit resonance?

$CH_{3}COOH$

$N_{2}O$

$H_{2}O$

$C_{6}H_{5}OH$

10.

In the resonance hybrid of $C_{2}H_{4}O$ (ethanol), how do the bonds between carbon and oxygen behave?

Single bonds only

Double bonds only

Delocalized bonds

Ionic bonds

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