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Class 11 Chemistry — Chapter 9: Hydrocarbons
90 practice questions · 30 Easy · 30 Medium · 30 Hard
Free NCERT-aligned multiple-choice practice for Class 11 Chemistry, Chapter 9 (Hydrocarbons). 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
General formula of alkenes:
A.CₙH₂ₙ✓ correct
B.CₙH₂ₙ₊₂
C.CₙH₂ₙ₋₂
D.CₙHₙ
Why
One C=C double bond.
Q2Medium
Alkynes have ___ bonds between carbons.
A.Single
B.Double
C.Triple✓ correct
D.None
Why
C≡C; sp hybridised.
Q3Hard
Markovnikov's rule applies to addition of HX to:
A.Alkenes (asymmetric)✓ correct
B.Alkanes
C.Esters
D.Amines
Why
H goes to C with more H; X to other C.
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