When 2-Chlorobutane is boiled with concentrated alcoholic solution of $\mathrm{KOH}$, the major product…

When 2-Chlorobutane is boiled with concentrated alcoholic solution of $\mathrm{KOH}$, the major product formed is
  1. But-1-ene
  2. But-2-ene
  3. Butan-2-ol
  4. Butan-1-ol

Asked in: MHT CET 2021 (23 Sep Shift 1)

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