$RX + \mathop {O{H^ - }}\limits_{Nucleophile} \to R - OH + {X^ - }$
$O^{-}$ stronger nucleophile than halogen so, easily replace the weaker nucleophile. Nucleophiles are either negative charge or lone pair of electrons bearing species, e.g. $O H^{-} ; \ddot{N H}_{3},$ etc
$\mathop {^ \oplus C{H_2} - CH = CH - CH = N{H_3}}\limits_{(III)} $
આમાંથી કયું બંધારણ માન્ય માન્ય પ્રામાણભૂત બંધારણ નથી?
$\mathop {{H_3}C\mathop C\limits^ \ominus {H_2}}\limits_{(i)} \,,$$\mathop {{H_2}C = \mathop C\limits^ \ominus H}\limits_{(ii)} $ અને $\mathop {H - C \equiv \mathop C\limits^ \ominus }\limits_{(iii)} $


