Adrenaline international online tutorial class

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Many students struggle to tell whether two molecules are enantiomers or diastereomers, especially when cyclohexane rings and wedge–dash bonds are involved.
In this video, I break it down step by step using the R and S configuration method, so you stop guessing and start reasoning like a chemist.
You will learn: • How to identify chiral centres correctly
• How to assign R and S configurations confidently
• How to use R/S to distinguish enantiomers from diastereomers
• Common mistakes students make (and how to avoid them)
This explanation is perfect for undergraduate organic chemistry, WAEC, NECO, JAMB, and anyone struggling with stereochemistry.
If stereochemistry has ever confused you, this video will finally make it click.





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Do well to contact us for ur live zoom classes where we help students make good grades in maths, physics and chemistry and help also in assignments and project for university students.

Why is the staggered conformation more stable than the eclipsed conformation?
In this video, I explain it clearly and simply, using: ✅ Hyperconjugation
✅ Steric hindrance (torsional strain)
✅ Energy comparison
This explanation is perfect for SS2, WAEC, NECO, JAMB, and undergraduate students struggling with organic chemistry conformations.
If you’ve ever been confused about Newman projections, this video will finally make it click 💡
📚 Need private tutoring, group classes, or academic support?
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Struggling with formal charge in Chemistry?
I break it down step-by-step using exam-standard questions.
We teach IGCSE, GCSE, WAEC & JAMB and help students move from poor grades to A’s with clear concepts and consistent guidance.
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The periodic table is more than a chart on the wall — it’s the story of human discovery 🔬

In this video, I break down:
• Ancient elements known thousands of years ago
• Lavoisier’s first scientific classification
• Döbereiner’s triads and the Law of Octaves
• How Mendeleev predicted undiscovered elements
• Why Moseley changed everything with atomic numbers

This explanation is simple, visual, and exam-relevant, perfect for students preparing for IGCSE, GCSE, A-Level, JAMB, SAT Chemistry, and anyone who wants to truly understand chemistry.

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Can you arrange these coordination compounds in order of increasing coordination number?
📌 [Ag(NH₃)₂]⁺, [Co(NH₃)₆]³⁺, [Fe(CN)₆]³⁻
Most students overthink this, but there’s a simple counting shortcut examiners expect you to know.
If you’re writing IGCSE, AS/A Level, WAEC or NECO Chemistry, this is free marks.
👉 Save this, share with a friend, and follow for more chemistry hacks.




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Struggling with molality questions involving density?
In this lesson, I break down how to calculate the molality of a sulfuric acid (H₂SO₄) solution step-by-step in a way that is clear, logical, and exam-friendly.
ADRENALINE ONLINE / PRIVATE TUTORIAL provides structured online and private lessons in Chemistry, Physics, and Mathematics for local and international students.
We prepare students for school exams, national exams, and international curricula with clarity and confidence.

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📩 Contact us for online classes, private tutoring, and exam preparation.





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In this video, we break down the molecular symmetry operations in methane (CH₄) with a special focus on rotational symmetry.
Methane is a perfect tetrahedral molecule, and understanding its molecular operations (C₃ rotations, C₂ rotations, symmetry elements, etc.) is essential for:
• Physical Chemistry
• Molecular Orbital Theory
• Group Theory Basics
• Spectroscopy
• JAMB / POST-UTME / A-Level / IGCSE / GCSE Chemistry

🔥 Inside the video, I clearly show:
• The major C₃ rotation axes in methane
• The C₂ rotations between hydrogen atoms
• Why CH₄ is one of the most symmetric molecules in chemistry
• How these operations help in predicting molecular behavior

If you’re preparing for A-Level Chemistry, GCSE, JAMB, or university-level molecular symmetry, this tutorial will make everything simple and clear.

🎓 Taught by:
Andrew Ohimai (Adrenaline Online Private Tutorial)
Specialist in Chemistry, Physics, Mathematics, and advanced global exam prep.

Welcome to this powerful and simplified lesson on Molecular Symmetry, Symmetry Operations, and Symmetry Elements using the NH₃ (Ammonia) molecule.

In this tutorial, you will learn:
✔ What molecular symmetry truly means
✔ All symmetry elements present in NH₃
✔ All symmetry operations (including the 6 operations in ammonia)
✔ The C₃ axis, σᵥ planes, and identity element (E)
✔ Why these symmetry ideas are important in bonding, spectroscopy, hybridization, and shape determination

This video breaks everything down in a way that IGCSE, GCSE, A-Level, university, and foundation chemistry students can understand easily.

This is part of the ADRENALINE GLOBAL ONLINE TUTORIAL series where we simplify chemistry for all levels.

If this video helped you, please LIKE, SUBSCRIBE, and SHARE to support the channel.
Drop any chemistry questions in the comments!