h2 Chemistry
worked solutions

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Hot and Dry Noodles

Roses are red Noodles are long Make a mistake and You’ll get this wrong After watching a video on the famous Chinese noodle dish “hot and dry noodles”, my friend (who goes by the pseudonym Mr. Kechinsky) created this thought provoking question which arches across physical and organic chemistry.  Give this question a try! View …
Roses are red Virus cause flu Staying at home Is making me blue Hi guys, give this coronavirus-inspired question I created a try!  It is about the much touted anti-viral drug, remdesivir, and it is certainly a problem most H2 students would find extremely challenging!  On a more serious note, do stay safe during this …

Resonating Nitrogen Oxides

Roses are redThey come in a crateThe bond strength is greater‘Cos it resonate Try this question from ACJC: My worked solution: https://www.youtube.com/watch?v=QpIGmKTaEVE&t=388s

Scoring well in H2 Chemistry

Sun Tzu once said, “Knowing yourself and knowing your adversary will win you every battle”.  In this video, I go through how to score well in H2 Chemistry by: Knowing yourself — Study habits and maintaining emotional and mental endurance Knowing your friend — What Cambridge looks out for and how to score Knowing your …

Toxic Equilibrium and Exploding Sand

Roses are redI run at the stadiumBut nothing is harderThan this equilibrium Take a look at this interesting ACJC question; the equilibrium problem is certainly not trivial to solve. Hint: You may need to create two unknowns. Here is my worked solution: https://www.youtube.com/watch?v=6vRlx-Qtvf0
Hi there, Chemistry Specialist Ian here, and I’m here to announce “An Added Edge”, a new initiative consisting of a series of videos to teach concepts beyond the H2 syllabus but very useful in answering H2 chemistry questions. The thing is, chemistry is an interconnected science, and many of these more advanced concepts are alluded …

A Question on Fragrant Compounds

Roses are redAnd flowers smell goodBut this question testsIf you understood From RI 2018 Prelims View the worked solution here: https://www.youtube.com/watch?v=C0mgR4LQfn8&t=94s

Two Equilibria Questions

Roses are redNO2 is brownIf you can’t do these questionsAlarm bells should sound! Give these two questions a try! View the worked solution here: https://www.youtube.com/watch?v=Zq3ejzosrPg

A Question on Organic Acids and Bases

Roses are redAcids are sourIf you get the answer, I say“Wah, you got power!” Source: VJC 2018 Prelims This is an organic chemistry question that most students would find challenging! View the worked solution here: https://www.youtube.com/watch?v=nEHvxxAryj8

An Interesting Kinetics Question

Roses are redI bought a carnationBut help me to findThe right rate equation Give this question a try! It is more difficult than it seems. Worked solution: https://www.youtube.com/watch?v=YjWvsz6xgB8&t=3s

Introduction to H2 Chemistry

By Ian, Chemistry Specialist H2 Chemistry may be a daunting subject to many, but I’m here to make it easier! Take a look at the video below for a short introduction to who I am and how I scored well for H2 Chemistry.