Q. Assertion: Alkanes having more than three carbon atoms exhibit chain isomerism.
Reason: All carbon atoms in alkanes are sp‐hybridized.

 2366  185 AIIMSAIIMS 1994 Report Error

Solution:

Chain isomerism occurs due to difference in the arrangement of -atoms in the chain. Simplest compound exhibiting chain Isomerism is butane. e.g.





All carbon atoms in all alkanes are hybridised.