Question

52. An alkene has the formula CH CH=CR CH CH, and does not possess cis-trans isomers. What is R? A) H
B) Cl C) CH3 D) C2H5​

Answer 1

Answer:

(D) C2H5

Explanation:

For not having a cis-trans isomer, there should be similar groups or carbon chains on single side of a double bond.