1.

Answer any FOUR of the following questions. b. (i) Name the main product when aniline is heated with alcoholic KOH and chloroform. (ii) Give the IUPAC name of (CH_3)_2 N- C_2 H_5

Answer»

Solution :(a) `CH_3NH_2` is more basic
`-CH_3` gp is an electron RELEASING GROUP, it exerts +I effect and INCREASES electron density on N-atom and electrons are localized on N-atom.
(b) (i) PHENYL isocyanide (Phenyl Carbylamine)
(ii) N,N-dimethylethanamine
(c )`CH_3NH_2 + 2NaBr + Na_2CO_3 + 2H_2O or CH_3NH_2`
Detailed Answer:
(b)
(c) `CH_3CONH_2 + Br_2+ 4NaOHto CH_3NH_2 + 2NaBr + Na_2CO_3 + 2H_2O`


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