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Date May 2009 Marks available 1 Reference code 09M.1.hl.TZ1.13
Level HL Paper 1 Time zone TZ1
Command term Identify Question number 13 Adapted from N/A

Question

Which structure has delocalized π electrons?

A.     O3

B.     CO

C.     HCN

D.     CO2

Markscheme

A

Examiners report

[N/A]

Syllabus sections

Additional higher level (AHL) » Topic 14: Chemical bonding and structure » 14.1 Covalent bonding and electron domain and molecular geometries
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