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Tips for organic deductive questions

Organic deductive questions If the organic deductive questions gives the molecular formula, see if the number of C and H is comparable. In addition, if the molecule contains more than 6 carbon atoms, the compound is likely to contain a benzene ring. Even if C and H is not comparable, the degree of unsaturation can tell us […]

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Simple tips for pattern recognition questions

Tips for pattern recognition questions Tip #1: Use your highlighter. Complicated rearrangement of atoms can be followed simply by highlighting the example given. Do the same for the question you are given and you will be able to predict the reaction product easily! Tip #2: Number the carbon chain. This tip is more for those questions […]

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Changes to H2 Chemistry Syllabus Part 2

H2 Chemistry Syllabus 2017 Part 2 (part 1 here) H2 chemistry syllabus 2017 updates: Organic: Constitutional (structural) isomerism. Cis-trans isomerism, used to be geometric isomerism. Enantiomerism used to be optical isomerism. Nitrogen Compounds (proteins): Not required to learn primary – quaternary structures, as well as list major functions of proteins in the body. Not required […]

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Changes in H2 Chemistry syllabus 2017 – part 1

Theories of acids and bases *New! Arrhenius theory – acid produce H+ in water, base produces OH– in water. Bronsted Lowry theory – acid produces H+, base accepts H+. Conjugate pair concept. Lewis theory – acid as electron pair acceptor, base as electron pair donor. Gases: Vm = 22.7 dm3 at stp (1 bar, 273 […]

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Changes in weightage for H2 Chemistry syllabus 2017

‘A’ Level Chemistry Syllabus Overview of changes in weightage: Table taken from SEAB website All students required to take practical paper 4, including private candidates. This means that candidates retaking their A level chemistry paper this year will have to sit for a 20% weightage practical paper. Also, their previous SPA scores will not be counted. […]

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June Intensive Revision Programme

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 […]

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3 Tips For Understanding Chemistry

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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