STANDARDChemistry-Elimination Reactions
STANDARD Chemistry Saytzeff's Rule MCQ Question
Type: MCQ-conceptual-Medium
Which of the following reactions will give the major and minor products? CH₃—CH₂—CH—CH₃—Br | alc. KOH heat → CH₃—CH=CH—CH₃ + CH₃—CH₂—CH=CH₂ (A) (B)
A
(A) is major product and (B) is minor product.
B
(A) is minor product and (B) is major product.
C
Both (A) and (B) are major products.
D
Only (B) is formed and (A) is not formed.
Correct Answer
Option A
Detailed Explanation
According to Saytzeff's rule, the more substituted product is more stable and is formed as major product. Hence (A) is the major product (80%) while (B) is the minor (20%) and less stable product.
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