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Write the structure of the major organic product in each of the following reactions: (i) CH_(3)CH_(2)CH_(2)Cl+NaI overset("acetone, heat")to (ii) (CH_(3))_(3)CBr+KOH overset("ethanol, heat")to (iii) CH_(3)CH(Br)CH_(2)CH_(3)+NaOH overset(water)to (iv) CH_(3)CH_(2)Br+KCN overset("aq. ethanol")to (v) C_(6)H_(5)ON a+C_(2)H_(5)Cl to (vi) CH_(3)CH_(2)CH_(2)OH+SOCl_(2)to (vii) CH_(3)CH_(2)CH=CH_(2)+HB r overset("peroxide")to (viii) CH_(3)CH=C(CH_(3))_(2)+HB rto |
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Answer» Solution :(i) `underset("1-Chloropropane")(CH_(3)CH_(2)CH_(2)Cl)+NaI underset(("Finkelstein reaction"))overset("acetone, heat")to underset("1-Iodopropane")(CH_(3)CH_(2)CH_(2)I)+NaCl` (ii) `underset("2-Bromo-2-methylpropane")((CH_(3))_(3)CB r)+KOH underset(("Dehydrohalogenation"))overset("ethanol, heat")to underset("2-Methylpropene")(CH_(3)-overset(CH_(3))overset(|)(C)=CH_(2))+HB r +H_(2)O` (iii) `underset("2-Bromobutane")(CH_(3)-underset(Br)underset(|)(C)H-CH_(2)CH_(3))+NaOHunderset(("Hydrolysis"))overset("water")to underset("Butan-2-ol")(CH_(3)-underset(OH)underset(|)(C)H-CH_(2)CH_(3))+NaBr` (IV) `underset("Bromoethane")(CH_(3)CH_(2)-Br)+KCN underset(("Nucleophilic substitution"))overset("aq. ethanol")to underset("Propanenitrile")(CH_(3)CH_(2)-CN+KB r)` (v) `underset("Sod. phenoxide")(C_(6)H_(5)O^(-)Na^(+))+underset("Ethyl chloride")(C_(2)H_(5)-Cl) underset("synthesis")overset("Williamson")to underset("Phenetole")(C_(6)H_(5)-O-C_(2)H_(5))+NaCl` (vi) `underset("Propan-1-ol")(CH_(3)CH_(2)CH_(2)OH)+SOCl_(2) underset("substitution")overset("Nucleophilic")to underset("1-Chloropropane")(CH_(3)CH_(2)CH_(2)Cl)+HCl uarr+SO_(2)uarr` (vii) `underset("But-1-ene")(CH_(3)CH_(2)CH=CH_(2))+HB r underset(("Anti-MARK. addn."))overset("peroxide")to underset("1-Bromobutane")(CH_(3)CH_(2)CH_(2)CH_(2)Br)` (VIII) `underset("2-Methylbut-2-ene")(CH_(3)-CH=overset(CH_(3))overset(|)(C)-CH_(3))+HBr overset("Mark. addn.")to underset("2-Bromo-2-methylbutane")(CH_(3)-CH_(2)-underset(Br)underset(|)overset(CH_(3))overset(|)(C)-CH_(3))` |
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