2-bromopentane is heated with postassium ethoxide in ethano1 The major product obtained is .

2-Bromopentane is heated with potassium ethoxide in ethanol. The major product obtained is

2-Chloropentane is heated with potassium ethoxide in ethanol. The major product obtained is

2-bromopentane is heated with potassium hydroxide in ethanol. The major product obtained is- pent-1-ene 2-ethoxypentane trans-2-pentene cis-2-pentene

2- bromopentane is heated with potassium ethoxide in ethanol the major product is (A) Trans - pent- 2- ene (B) 2- ethoxy pentane (C) Pent-1-ene (D) Cis pent - 2- ene

1 -Bromobutane is treated with sodium ethoxide in ethanol. The major product obrained is