Question

(4) LGH2H5C1
25. Which of the following reactions will give the major and minor products?
CH3 -CH2-CH-CH3
alc KOH heat CH -CH=CH-CH3 + CH3-CH2CH=CH,
Br
(A)
(B)
(1) (A) is major product and (B) is minor product (2) (A) is minor product and (B) is major product.
(3) Both (A) and (B) are major products.
(4) Only (B) is formed and (A) is not formed​

Answer 1

Answer:

According to Saytzeff's rule, the more substituted products is more stable and is formed as major product. Hence (A) is major product (80%) while (B) is the minor (20%) and less stable product.