Identifying Resonance Structures

00:00 1 marks

Which species has resonance structures?

A

CO2
B

O3
C

C2H4
D

H2O

Hint Hint

Hint

Draw the Lewis structures for each species. Resonance occurs when more than one valid Lewis structure can be drawn for a molecule or ion, differing only in the placement of electrons (typically double/triple bonds and lone pairs).

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Answer Answer

Complete Answer

Mark Scheme Mark Scheme

Answer Explanation Answer Explanation

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Common Errors Common Errors

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