12th Class Chemistry Sample Paper Chemistry Sample Test Paper-3

  • question_answer   (a) Write the structure of N, N-ethyl methyl amine.                                                                                                         1 (b) Write the chemical reaction each to illustrate the following: (i) Acetylation reaction                                                                                                                                  1 (ii) Carbyl amine reaction.                              '                                                                                                             1


                      (a) Structure of N, N-ethyl methyl amine : In this amine nitrogen atom is hybridized with a lone pair. Its                 shape    is pyramidal not exactly tetrahedral. This is due to the presence of lone pair on nitrogen atom.                                                                 (b) (i) Acetylation reaction: Introduction of acetyl group.                   (ii) Carbyl amine reaction: Formation of isocyanide from amine.              1                


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