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Class 11 Chemistry — Chapter 8: Organic Chemistry — Basic Principles and Techniques
90 practice questions · 30 Easy · 30 Medium · 30 Hard
Free NCERT-aligned multiple-choice practice for Class 11 Chemistry, Chapter 8 (Organic Chemistry — Basic Principles and Techniques). Practise timed Easy, Medium and Hard quizzes with instant explanations — built for CBSE Board exams, JEE Main and NEET UG. Here are a few sample questions; sign in free to practise all 90.
Sample questions
Q1Easy
Functional group −OH belongs to:
A.Alcohol✓ correct
B.Carboxylic acid
C.Aldehyde
D.Ester
Why
Hydroxyl → alcohol (-ol).
Q2Medium
Butane and iso-butane are:
A.Chain isomers✓ correct
B.Same compound
C.Functional isomers
D.Enantiomers
Why
Different carbon skeletons; same molecular formula.
Q3Hard
A free-radical intermediate has:
A.An unpaired electron✓ correct
B.Positive charge
C.Negative charge
D.No bonds
Why
•CH₃ (methyl radical).
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