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ChemistryInteger+3Question 20 of 84

IIT-JEE 2010 · Paper 1, Chemistry question 20

The total number of cyclic isomers possible for a hydrocarbon with the molecular formula CX4HX6\ce{C4H6} is

Answer and worked solution

Official answer: 5

Cyclic CX4HX6\ce{C4H6} (two degrees of unsaturation, at least one of them a ring):

  1. cyclobutene;
  2. 1-methylcyclopropene;
  3. 3-methylcyclopropene;
  4. methylenecyclopropane;
  5. bicyclo[1.1.0]butane.

Answer: 5

Topics:Structural isomerism
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