1.

How is nitroethane converted into- (a) ethyl amine, "" (b) N-ethylhydroxyl amine (c) acetic acid ? Write names and chemical formulae of monomers used in preparing Buna-N. What are saps ? How are they prepared ?

Answer»

Solution :(a) `CH_(3)CH_(2)+NO_(2)6+[H]overset(Sn//Conc.HCI) to underset(("Ethylamine"))overset(("Nitroethane"))(CH_(3)CH_(2)NH_(2)+H_(2)O`
(b) `underset(("Nitroethane"))(C_(6)H_(5)NO_(2))+4+[H] overset(Zn+NH_(4)CI) to underset(("N-ethylydroxyl amine"))(C_(2)H_(5)NH-OH+H_(2)O)`
(c) `{:(C_(2)H_(5)NO_(2)overset("OXIDATION")underset(H_(2)O //H^(+)) to CH_(3)COOH),(("Nitroethane")""("ACETIC acid")):}`
(ii) Nunna-Nis a copolymer of acrylonitril and 1,3 butadiene.

(iii) Soaps are sodium or potassium salts of fatty acids.
They are formed by treating NaOH with FAT or oil.
`"Fat"//"Oil"+NaOHoverset(Delta) to underset(("glycerol"))underset(CH_(2)OH)underset(|)overset(CH_(2)OH)overset(|)(CHOH)+overset(O)overset(||)underset(("soap"))(RC-overset(-)ONa^(+))`


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