| Date | May 2015 | Marks available | 1 | Reference code | 15M.1.hl.TZ2.10 |
| Level | HL | Paper | 1 | Time zone | TZ2 |
| Command term | Question number | 10 | Adapted from | N/A |
Question
Which diagrams can be used to represent the Lewis (electron dot) structure of boron trifluoride?
A. I and II only
B. I and III only
C. II and III only
D. I, II and III
Markscheme
C
Examiners report
Well over 50% of the candidates gave the correct answer but a significant number (31%) gave answer A thus rejecting representation III.
Syllabus sections
Show 133 related questions
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