Question

plz explain the above question with brief explanation

Answer 1

Answer:

Explanation:

Aqueous KOH is used for Nucleophile attacks of OH- where substitution takes place .here elimination is required to produce an alkene hence a dehydrogenation agent such as alcoholic KOH may be used to do so which removes hydrogen and follows zaitsevs rule and causes E1 elimination .Further more alc Koh is also economically feasible reagent .