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Class 12 Chemistry — Chapter 8: Aldehydes, Ketones and Carboxylic Acids
96 practice questions · 32 Easy · 32 Medium · 32 Hard
Free NCERT-aligned multiple-choice practice for Class 12 Chemistry, Chapter 8 (Aldehydes, Ketones and Carboxylic Acids). 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 96.
Sample questions
Q1Easy
Aldehyde functional group:
A.−CHO✓ correct
B.−COOH
C.−OH
D.C=O within chain
Why
Terminal carbonyl with H.
Q2Medium
Tollens' reagent gives silver mirror with:
A.Aldehydes✓ correct
B.Ketones
C.Acids
D.Alkanes
Why
Aldehydes oxidise; ketones don't.
Q3Hard
Aldol condensation needs:
A.α-hydrogen on the carbonyl compound✓ correct
B.No hydrogen
C.Strong oxidiser
D.Water only
Why
α-H abstracted to form enolate.
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