CBSE Class 12 · 2007 · Delhi · Compounds Containing NitrogenShort Answer

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How would you achieve the following conversions? Write the chemical equation with reaction conditions in each case.
i) nitrobenzene to aniline
ii) an alkyl halide to a quaternary ammonium salt
iii) aniline to benzonitrile

Solution

(i)

C_{6} H_{5} N O_{2} + 6 [H] Sn + HCl C_{6} H_{5} N H_{2}

(ii)

N H_{3} RX RN H_{2} RX R_{2} NH RX R_{3} N RX R_{4} N^{+} X^{-}

(exhaustive alkylation).
(iii)

C_{6} H_{5} N H_{2} NaN O_{2} /HCl, 273K C_{6} H_{5} N_{2}^{+} C l^{-} CuCN/KCN C_{6} H_{5} CN + N_{2}

CBSE Class 12 Board · 2007 · Delhi · Subjective

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