ઇથેનોલ $\xrightarrow{{PB{r_3}}}X\,\xrightarrow{{alc.\,KOH}}\,Y$$\,\xrightarrow[{(ii)\,{H_2}O\,,\,heat}]{{(i)\,{H_2}S{O_4},\,room\,\,temperature}}Z$
નીપજ $Z$ શું હશે ?
$(I)$ $C{H_2} = CH - C{H_3} + {H_2}O\xrightarrow{{{H^ + }}}$
$(II)$ $C{H_3}CHO\xrightarrow[{(ii)\,{H_2}O}]{{(i)\,\,C{H_3}MgI}}$
$(III)$ $CH_2O\xrightarrow[{(ii)\,{H_2}O}]{{(i)\,\,C{_2}H_5MgI}}$
$(IV)$ $C{H_2} = CH - C{H_3}\xrightarrow{{nutral \,KMn{O_4}}}$