1.
Identify Z in the following reaction:
CH3_3CH2_2OH →PBr3\xrightarrow{\text{PBr}_3} X →alc. KOH\xrightarrow{\text{alc. KOH}} Y →(i) H2SO4/RT (ii) H2O/heat\xrightarrow{\text{(i) H}_2\text{SO}_4/\text{RT}\ \text{(ii) H}_2\text{O/heat}} Z