A-Level ChemistryYear 2019Q14
12201 [Turn over 14 The titration curve for a strong acid with a strong alkali can be determined by measuring pH using specialised pH paper or a pH meter. (a) Suggest an advantage and a disadvantage of using the pH meter compared to pH paper. [2] (b) Explain, using your knowledge of titration curves, why both methyl orange and phenolphthalein are suitable indicators for this titration. [1] (c) Explain whether the salt solution formed from the reaction between sulfuric acid and sodium hydroxide is neutral or not. [1]
Paper Source:GCE-Chemistry-467-Summer2019-A2 1%2C Further Physical and Organic Chemistry-Paper.pdf
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Exam Specification Info
This question is part of the UK A-Level Chemistry syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectChemistry
Official MarksVariable (2–6 marks)