12th Class Chemistry Nitrogen Containing Compounds Question Bank 12th CBSE Chemistry Nitrogen Containing Compounds

  • question_answer
    How will you prepare a pure sample of primary amine having one more carbon than the alkyl halide used?

    Answer:

                    \[\underset{Alkyl\,halide}{\mathop{R-X}}\,\,\,\xrightarrow{\text{KCN}\,\text{(Alcoholic)}}\,\underset{\text{Alkyl}\,\,\text{cyanide}}{\mathop{R-C\equiv N}}\,\] \[\xrightarrow[\text{(Reduction)}]{\text{LiAl}{{\text{H}}_{\text{4}}}}\,\,\,\,\,\,\,\underset{\text{Primary}\,\,\text{amine}}{\mathop{\text{RC}{{\text{H}}_{\text{2}}}\text{N}{{\text{H}}_{2}}}}\,\]


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