| Date | November 2009 | Marks available | 1 | Reference code | 09N.1.hl.TZ0.29 |
| Level | HL | Paper | 1 | Time zone | TZ0 |
| Command term | Deduce | Question number | 29 | Adapted from | N/A |
Question
Which compound contains nitrogen with an oxidation number of +3?
A. NH4Cl
B. HNO3
C. N2O4
D. KNO2
Markscheme
D
Examiners report
[N/A]
Syllabus sections
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