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Which of the following compounds prefix ‘iso’ is not correct and why Iso pentane Iso hexane Iso butane Iso octane

Which of the following compounds prefix ‘iso’ is not correct and why
 
  1. Iso pentane
  2. Iso hexane
  3. Iso butane
  4. Iso octane

Grade:11

1 Answers

Shivam Chopra
45 Points
7 years ago
It is iso butane. It is because iso butane does not exist as iso needs atleast 5 carbons
The structure for iso is:     C
                                   C-C-C
                                      C  ( it is of iso pentane )
So, iso butane is not possible but other three are possible.
Please approve it if you like.

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