Identify the set ofreagent/reaction conditions X and Y, in the following set of transformations.
`CH_(3) -CH_(2) -CH_(2)Br overset(X) to "Product" overset(Y) to CH_(3) - underset(Br)underset(|)CH -CH_(3)`

Options

A. X - dil aqueous NaOH 20^circ C
Y-H dotB r^prime / acetic acid , 20^circ C
B.
X - Conc.alcoholic NaOH, 80^circ C

Y-H B r / acetic acid , 20^circ C
C.
X - dil,aqueous NaOH .20^circ C

Y dot Br_2 / CHCl_3^4 O^circ C
D.
X- Conc. alcoholic. NaOH, 80^circ C

Y-Br_2 / CHCl_y, O^circ C

Answer

B