Skip to main content

Organic Chemistry MCQs for Class IX / O Level students

This set of 20 Organic Chemistry MCQs is designed for Class IX / O Level students to strengthen conceptual understanding and exam preparation skills.

Topics covered:

  • Hydrocarbons
  • Alkanes, Alkenes, Alkynes
  • Saturated & Unsaturated Compounds
  • Homologous Series


 👉  Attempt online quiz

👉 “For more Chemistry MCQs, notes, and video lectures, visit SM-Educate Chemistry YouTube Channel.”



Comments

Popular posts from this blog

15 Chemistry Mistakes That Cost Students Marks in Exams (Class 9–12 & IGCSE)

Learn the 15 most common Chemistry exam mistakes and how to avoid them. Useful for Class 9, Class 10, Class 11, Class 12 and IGCSE Chemistry students. Last Updated: May 2026 Every year, thousands of students lose marks in Chemistry exams not because they don't know the concepts, but because of avoidable mistakes. Examiners frequently report errors related to units, calculations, scientific vocabulary, and question interpretation. In this article, you will learn the most common Chemistry mistakes and how to avoid them in Class 9, Class 10, Class 11, Class 12, and IGCSE Chemistry examinations. 1. Not Reading the Question Carefully Many students answer what they think the question asks instead of what is actually written. Tip: Underline important words such as: Define Explain Calculate Compare State Describe Different command words require different types of answers. 2. Forgetting Units Students often obtain the correct numerical answer but forget to write the ...

The Unreasonable Reactivity of Fluorine: A Case Study in Extremes

The Unreasonable Reactivity of Fluorine | SM-EDUCATE Chemistry 🧪 SM-EDUCATE CHEMISTRY June 07, 2026 The Unreasonable Reactivity of Fluorine: A Case Study in Extremes ⚡ Dangerous chemistry · Periodic table deep dive · Fiercest nonmetal 📤 SHARE Inorganic Chemistry Fluorine Reactivity Halogens Extreme Chemistry Periodic Trends Dangerous Chemicals Fluorine is the angriest element in the periodic table. It reacts with nearly everything — including noble gases, asbestos, and even brick. It sets water on fire. It attacks gold and platinum. It chews through glass. And yet, this pale yellow gas is essential for Teflon, pharmaceuticals, and uranium enrichment. Why is fluorine so unreasonably reactive? Let's go beyond the textbook "most electronegative" and explore bond enthalpies, lattice energies, and the terrifying joy of fluorine chemi...

Asymmetric Synthesis: How Chemists Outsmart Nature’s Symmetry

Asymmetric Synthesis | Outsmarting Nature’s Symmetry | SM-EDUCATE Chemistry 🧪 SM-EDUCATE CHEMISTRY June 07, 2026 Asymmetric Synthesis: How Chemists Outsmart Nature’s Symmetry 🔬 Chiral worlds · Enantioselective reactions · Drug design essentials 📤 SHARE Organic Chemistry Asymmetric Synthesis Chirality Enantioselectivity Pharmaceutical Chemistry Catalysis Nature is chiral. Your DNA, your proteins, your sugars — all exist in only one mirror‑image form. But when chemists build molecules in the lab, they often get a 50:50 mix of left‑ and right‑handed versions: a racemic mixture . For many drugs, one enantiomer cures, the other kills. How do we outsmart nature’s symmetry? Asymmetric synthesis — the art of creating single enantiomers on demand. Left hand Right hand Enantiomers: mirror image...