Question

Which of the following are ring chain isomers of $C_4{H}_8$?

• A.
• B.
• C.
• D. All of the above

Answer 1

Answer: (B), (C)

B, C

Position isomers

These is no change or difference in the 'mode' of linkage of carbon atoms. Option (a) is an open chain with a double bond.

(b) and (c) are examples of Ring - chain isomers

So both b & c are correct.