Permanganate titration Qn: Why can’t we use hydrochloric acid or nitric acid for manganate (VII) redox titrations? Ans: For HCl, the chloride ion will be oxidised to chlorine gas by manganate (VII) ion. HNO3 is also an oxidising agent and hence would compete with permanganate. Lastly, permanganate cannot oxidize sulfate ion and sulfuric acid is not an oxidizing […]
J2 students, need some last minute help in Organic Chemistry before your Mid-Year Exams? Sign up for 4 lessons of intensive revision using 2016 Prelim structured questions from different JCs! Part 1 of our revision program covers the whole spectrum of organic concepts so do come prepared 🙂 Answers will be analysed together and misconceptions […]
Tips for Studying Chemistry Let’s face it, chemistry is not the easiest subject to master. It’s abstract concepts (think atoms and molecules) which you can’t see with your eyes. So here i will share with you all 3 tips for studying chemistry. Tip #1: Search for Youtube videos to help you visualize spatial ideas such as […]
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