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Group vs Private Tuition

Group vs Private Tuition No matter whether you’re a student or parent looking for tuition for your child, this question undoubtedly popped into your mind. So what are the pros and cons of each and which is more suitable for you? Read on to find out… Group  Follows a set topic schedule. Limited interaction during […]

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Organic Chemistry – Isomerism

Isomerism Isomerism – What is the difference between a meso compound and a racemic mixture? A closer look at the terms would already give you a hint.  A racemic mixture is not chemically bonded together hence we are able to separate the two equal portion (50/50) enantiomers. If we then pass plane-polarized light through just […]

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How to improve in Chemistry?

How to improve in Chemistry? Recently i have been reading some personal development books and one of the ideas that came up was how to improve in any area of your life…quite instantly. It takes at most 3 weeks to see significant changes. Ready for the (almost magical) idea?  No, it’s not something new. It’s […]

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How to improve JC H2 Chem – Part 2

With all the challenges facing the JC H2 Chem students, it’s no wonder many are struggling to do well in the subject.  Suggested solutions There are a couple of solutions that might help but these will probably not be implemented anytime soon. Cut down A level syllabus. And do not re-package additional content with every […]

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How to improve in JC H2 Chem – Part 1

How to improve JC H2 Chem Many parents often ask me, “How to improve his/her JC H2 Chem?” This question is usually asked by frustrated/hapless parents. Typical scenario is that the student has studied hard but doesn’t seem to make any improvement. To which a slight probe will most likely reveal that the method of studying […]

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How to solve common redox questions

Redox Qn: Sulfur dioxide causes a colour change in acidified potassium dichromate. Given that the potassium dichromate and sulfur dioxide are present in the reacting ratio of 1:3, suggest a likely sulfur−containing product for the reaction. This is considered quite a common redox question.  Firstly, what do you need to know? And how to apply […]

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How do organic compounds achieve stability?

Important Concept for Organic Chemistry Organic Chemistry Two main ways organic compounds achieve stability: Resonance         Electrons are delocalized to form different resonance structures, which lowers the energy level of the organic compound. This contributes to stability. Dispersion of charge Carbocation is electron deficient while R groups are electron-donating. Thus the more […]

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Organic Deductive Questions

Organic Chemistry Deductive Questions – Side Reactions When you have only one C=C in the organic molecule and question says that when the compound is heated with acidified manganate (VII), 3 fragments are obtained. This means that there was actually TWO cleavage of bonds. But shouldn’t it be only two fragments since the oxidative cleavage […]

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Third Term swings into gear!

Reminder: Third Term is here. If you haven’t been putting in 100% into your studies, now’s the time to start! Remember to pace yourself though, studying late into the night makes for unproductive school day the next day. Weather’s also erratic and there’s some flu clusters around in schools. Please have at least 2L of […]

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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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