Question

Molecular formula of which of the following alkane can exist in more than one structure?

• A. $C{H}_4$
• B. $C_2{H}_6$
• C. $C_3{H}_8$
• D. $C_4{H}_{10}$

Answer 1

Answer: (D)

$C{H}_4,C_2{H}_6$ and $C_3{H}_8$ can have only one structure but $C_4{H}_{10}$ can have more than one structure. Possible structures of $C_4{H}_{10}$ are following