Imat 2022 q. 49

Practice Question Solving
1
  1. Which of the following organic compounds are structural isomers of each other?
  1. cyclohexene
  2. methylcyclopentane
  3. hexane
  4. hex-1-ene
  5. 3-methylpent-2-ene

A) 2 and 4 only
B) 1 and 2 only
C) 2, 4 and 5 only
D) 2 and 3 only
E) 1, 4 and 5 only

כתוב שהתשובה היא C. אשמח להסבר.

3

Yeah, but they say the answer is 2+4+5
And I got only 2+5
Did I make a mistake? Or there is an error in the exam?

5

4&5 options are right but in option 2 there is cycle in which we consider sigma bond as sigma bond should be taken into consideration so 2,4,5 are right options