| Date | May 2014 | Marks available | 1 | Reference code | 14M.1.hl.TZ1.29 |
| Level | HL | Paper | 1 | Time zone | TZ1 |
| Command term | Question number | 29 | Adapted from | N/A |
Question
Methyl orange is an indicator which changes its colour from red to yellow in a pH range of 3.2 – 4.4.
For which titration would methyl orange be a suitable indicator?
A. Iodine and sodium thiosulfate solution
B. Hydrochloric acid and ammonia solution
C. Ethanoic acid and sodium hydroxide solution
D. Ethanoic acid and ammonia solution
Markscheme
B
Examiners report
[N/A]
Syllabus sections
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