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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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