Correct Answers
Reduction of nitro groups(Prep) CORRECT ANSWERS Nitro +
H2/Ethanol ----->Amines
Nitro + Sn/HCl ----->Amines
Nitro + Fe/HCl ----->Amines
Ammonolysis of Alkyl Halides(Prep) CORRECT ANSWERS
Alkyl Halide + NH3 ---->Substituted Ammonium Salt
Substituted Ammonium Salt+ Strong Base ---->Amines
Order of Halide reactivity = RI>RBr>RCl
Reduction of Nitriles(Prep) CORRECT ANSWERS RCN +
H2/Ni/NaHg/C2H5OH or LiAlH4---->RCH2NH2
, Reduction of Amides(Prep) CORRECT ANSWERS RCONH2
+ LiAlH4/H2O ---->RCH2NH2
Gabriel Pthalamide Reaction(Prep) CORRECT ANSWERS
Alkyl Pthalamide + NaOH---->RNH2
Hoffmann Bromide Degradation(Prep) CORRECT ANSWERS
RCONH2 + Br2 + NaOH ----> RNH2 + Na2CO3 + 2NaBr +
2H2O
Physical Properties CORRECT ANSWERS Less polar than
alcohols
No intermolecular H bonding in tertiary Amines
Basic Character of Amines CORRECT ANSWERS
Alkylamines=stronger base than ammonia
Gaseous Phase(Basicity)=3>2>1
Aqueous Phase=(Methyl)=2>1>3>NH3
Aqueous Phase=(Ethyl)=2>3>1>NH3