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Date	November 2014	Marks available	1	Reference code	14N.1.sl.TZ0.9
Level	SL	Paper	1	Time zone	TZ0
Command term		Question number	9	Adapted from	N/A

Question

Which species contains a dative covalent (coordinate) bond?

A. HCN

B. ${{\text{C}}_{\text{2}}}{{\text{H}}_{\text{2}}}$

C. ${\text{C}}{{\text{O}}_{\text{2}}}$

D. CO

Markscheme

Examiners report

Many thought that HCN would contain a dative bond.

Syllabus sections

Core » Topic 4: Chemical bonding and structure » 4.3 Covalent structures

Show 133 related questions

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