Hydrocarbons Quiz - CBSE Class 11 Chemistry

Free practice quiz: Hydrocarbons (CBSE Class 11 Chemistry). 49 multiple-choice questions with answers and explanations. Play online, no sign-up needed.

Sample questions

1. Which of the following is a saturated hydrocarbon?

   1. Ethylene
   2. Propylene
   3. Butane
   4. Acetylene
   Show answer

   Answer: C. Butane

2. What is an alkane?

   1. A saturated hydrocarbon
   2. An unsaturated hydrocarbon
   3. A cyclic hydrocarbon
   4. An aromatic hydrocarbon
   Show answer

   Answer: A. A saturated hydrocarbon

3. In terms of stability, how do cycloalkanes compare to straight-chain alkanes?

   1. Cycloalkanes are generally more stable.
   2. Cycloalkanes are generally less stable.
   3. They have the same stability.
   4. It depends on the number of carbon atoms.
   Show answer

   Answer: B. Cycloalkanes are generally less stable.

4. Which is true about products of complete combustion of hydrocarbons?

   1. Produces CO and H2O
   2. Produces CO2 and H2O
   3. Produces O2 and H2O
   4. Produces C and H2
   Show answer

   Answer: B. Produces CO2 and H2O

5. What is the structure of benzene molecule?

   1. Linear
   2. Cyclic with alternating double bonds
   3. Branched
   4. Straight chain
   Show answer

   Answer: B. Cyclic with alternating double bonds

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