Question

Which is the correct increasing order of the stability of isomers of pentene?

• A. $1<2<3<4$
• B. $1<3<2<4$
• C. $4>3>2>1$
• D. $4<2<3<1$

Answer 1

Answer: (A)

Stability depends on hyperconjugation which further depends on total number of $\alpha H$.