NEET levelSingle correct optionDifficulty 1 of 3hx020
Bromoethane on boiling with aqueous KOH gives mainly
Aethanol
Bethene
Cdiethyl ether
Dethane
Answer: A
Aqueous KOH supplies OHX− as a nucleophile (and water as solvent), and a primary halide substitutes: CHX3CHX2Br+OHX−CHX3CHX2OH+BrX−. Elimination to ethene needs alcoholic KOH.