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Show that ethylene dichloride undergoes (i) Hydrolysis (ii) Dehalogenation (iii) Dehydrohalogenation. |
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Answer» Solution :(i) Hydrolysis: `underset("Ethylene DICHLORIDE")(underset(Cl)underset(|)(C)H_(2)-underset(Cl)underset(|)(C)H_(2)) underset((aq))OVERSET(2KOH)to` `underset("Ethylene glycol")(underset(OH)underset(|)(C)H_(2)-underset(OH)underset(|)(C)H_(2))+2KCl` (ii) Dehalogenation: `underset("Ethylene dichloride")(underset(Cl)underset(|)(C)H_(2)-underset(Cl)underset(|)(C)H_(2))+Zn underset(Delta)overset("Methanol")tounderset("Ethylene")(CH_(2)=CH_(2))+ZnCl_(2)` (iii) Dehydrohalogenation: `underset("Ethylene dichloride")(H-underset(H)underset(|)overset(Cl)overset(|)(C)-underset(Cl)underset(|)overset(H)overset(|)(C)-H)+2KOH underset(Delta)overset("Ethanol")to underset("Acetylene")(HC-=CH)+2KCl+H_(2)`. |
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