Relevant Titles
-
Basic Concepts of Organic Chemistry Class 11 MCQs with Answers
-
CBSE Class 11 Organic Chemistry Online Practice Test – Chapter 12
-
Important Organic Chemistry MCQs for Class 11 (With Solutions)
-
NCERT-Based Organic Chemistry Class 11 MCQ Quiz – Chapter 12
-
CBSE Class 11 Chemistry Test: Organic Chemistry Principles & Techniques
Introduction Paragraph
Prepare effectively for your CBSE Class 11 Chemistry exams with this online practice test on Basic Concepts of Organic Chemistry. These MCQs are designed strictly according to the NCERT syllabus, focusing on Part C: Organic Chemistry – Chapter 12: Organic Chemistry – Some Basic Principles and Techniques. This topic lays the foundation for understanding important organic reactions, functional groups, hybridization, and mechanisms that appear in Class 12 and competitive exams like NEET and JEE.
Each multiple-choice question includes detailed explanations and instant feedback, helping students strengthen their conceptual understanding. The quiz follows CBSE board exam standards and tests core concepts such as isomerism, structural representation, hybridization, and IUPAC nomenclature.
Whether you’re revising for school exams or competitive entrance tests, this set of Class 11 Chemistry MCQs on Basic Concepts of Organic Chemistry will enhance your problem-solving accuracy and speed. Practice now and assess your readiness for CBSE board examinations!
Sample MCQs (with Answers and Explanations):
Q1. Which of the following elements is the backbone of organic compounds?
A) Oxygen B) Nitrogen C) Carbon D) Sulphur
✅ Answer: C) Carbon
💡 Explanation: Organic chemistry is the study of carbon compounds due to carbon’s ability to form strong covalent bonds and long chains.
Q2. What is the general formula of alkanes?
A) CₙH₂ₙ B) CₙH₂ₙ₊₂ C) CₙH₂ₙ₋₂ D) CₙHₙ
✅ Answer: B) CₙH₂ₙ₊₂
💡 Explanation: Alkanes are saturated hydrocarbons following the general formula CₙH₂ₙ₊₂.
Q3. The functional group of alcohols is:
A) –COOH B) –OH C) –NH₂ D) –CHO
✅ Answer: B) –OH
💡 Explanation: The hydroxyl group (–OH) characterizes alcohols and determines their physical and chemical properties.
Q4. The hybridization of carbon in ethene (C₂H₄) is:
A) sp³ B) sp² C) sp D) dsp²
✅ Answer: B) sp²
💡 Explanation: Each carbon atom in ethene is sp² hybridized, forming a planar structure with a C=C double bond.
Q5. Which technique is used to separate organic liquids based on their boiling points?
A) Crystallization B) Distillation C) Chromatography D) Filtration
✅ Answer: B) Distillation
💡 Explanation: Distillation separates organic liquids by exploiting differences in their boiling points.