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Reduction Of Nitro Compounds...

Reduction Of Nitro Compounds

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During the reduction of nitro compound to an amine the oxidation number of nitrogen changes by

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Knowledge Check

  • During the reduction of nitro compound to an amine the oxidation number of nitrogen changes by

    A
    six units
    B
    five units
    C
    four units
    D
    three units

  • The reaction of nitrocompounds to primary amines occurs through the intermediate formation of nitroso compound and hydroxylamine catalytic hydrogenation of reduction of nitro compound with an active metal and concentrated hydrochloric acid always gives the corresponding primary amines. In the neutral medium, the nitro compounds are reduced to corresponding hydroxylamines. However, in the basic medium, bimolecular reduction products are obtained which redult through initial condensation of nitroso and hydroxyl amine intermediates followed by reduction to give different products depending upon the nature of the reducing agent used In the reduction of nitrobenzene, which of the following is the intermediate

    A
    `C_(6)H_(5)-N=O`
    B
    `C_(6)H_(5)NH=NHC_(6)H_(5)`
    C
    `C_(6)H_(5)N=N-C_(6)H_(5)`
    D
    `C_(6)H_(5)-N=N-C_(6)H_(5)`.

  • The reaction of nitrocompounds to primary amines occurs through the intermediate formation of nitroso compound and hydroxylamine catalytic hydrogenation of reduction of nitro compound with an active metal and concentrated hydrochloric acid always gives the corresponding primary amines. In the neutral medium, the nitro compounds are reduced to corresponding hydroxylamines. However, in the basic medium, bimolecular reduction products are obtained which redult through initial condensation of nitroso and hydroxyl amine intermediates followed by reduction to give different products depending upon the nature of the reducing agent used The reagent that reacts with nitromethane to form methyl hydroxylamine is ?

    A
    `Zn//HCl`
    B
    `Zn//NH_(4)Cl`
    C
    `Zn//NaOH`
    D
    `Sn//HCl`