Question

Elimination reaction in the presence of KOH of $2$-Bromo-pentane to form pent-$2$-ene is :
(a) $\beta$-Elimination reaction
(b) Follows Zaitsev rule
(c) Dehyrohalogenation reaction
(d) Addition reaction

• A. (b), (c), (d)
• B. (a), (b), (d)
• C. (a), (b), (c)
• D. (a), (c), (d)

Answer 1

The correct option is C (a), (b), (c)

(a) $\beta$-Elimination reaction:
(b) Zaitsev rule: Double bonded "C" has more substitution.
(c) Removal of both H and Br is known as Dehydrohalogenation"
(d) In addition reaction one species is added to the substrate but here, there is removal of certain species.
Hence, (c) is the correct option.