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Organic Basic Principles Class 11 Chemistry MCQs with Answers
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Introduction Paragraph
Master the Organic Basic Principles of chemistry with this comprehensive set of CBSE Class 11 Chemistry MCQs, designed strictly according to the NCERT syllabus. This topic from Chapter 12: Organic Chemistry – Some Basic Principles and Techniques introduces students to the essential concepts of classification, bonding, hybridization, IUPAC nomenclature, and functional groups in organic chemistry.
These interactive multiple-choice questions help learners strengthen their understanding of how carbon forms covalent bonds, the concept of isomerism, and the basics of organic reaction mechanisms. Each MCQ is paired with automatic scoring and detailed explanations, ensuring students can learn from every attempt.
Ideal for CBSE Class 11 board exam preparation, this test also helps aspirants of NEET, JEE, and other competitive exams gain clarity in the fundamental principles that govern organic compounds. Take this online test to improve your speed, accuracy, and conceptual confidence in organic chemistry.
Sample MCQs (with Answers and Explanations):
Q1. Which element forms the backbone of organic compounds?
A) Oxygen B) Hydrogen C) Nitrogen D) Carbon
✅ Answer: D) Carbon
💡 Explanation: Carbon forms stable covalent bonds and long chains, making it the backbone of all organic molecules.
Q2. The general formula for alkanes is:
A) C<sub>n</sub>H<sub>2n</sub> B) C<sub>n</sub>H<sub>2n+2</sub> C) C<sub>n</sub>H<sub>2n-2</sub> D) C<sub>n</sub>H<sub>n</sub>
✅ Answer: B) C<sub>n</sub>H<sub>2n+2</sub>
💡 Explanation: Alkanes are saturated hydrocarbons with single covalent bonds, following the general formula CₙH₂ₙ₊₂.
Q3. Which hybridization is seen in methane (CH<sub>4</sub>)?
A) sp B) sp<sup>2</sup> C) sp<sup>3</sup> D) None
✅ Answer: C) sp<sup>3</sup>
💡 Explanation: In methane, carbon forms four sigma bonds using sp³ hybrid orbitals, giving a tetrahedral structure.
Q4. The functional group –OH is characteristic of which compound?
A) Aldehydes B) Alcohols C) Ketones D) Carboxylic acids
✅ Answer: B) Alcohols
💡 Explanation: Alcohols contain the hydroxyl group (–OH) attached to a saturated carbon atom.
Q5. Which type of bond involves sharing of electrons between atoms?
A) Ionic bond B) Covalent bond C) Metallic bond D) Coordinate bond
✅ Answer: B) Covalent bond
💡 Explanation: Covalent bonds are formed when atoms share electron pairs to achieve stable electronic configurations.