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Nitrobenzene definition

nītrō-bĕnzēn, -bĕn-zēn
A colorless or yellowish poisonous oily liquid, C6 H5 NO2 , having the odor of almonds and used in the manufacture of aniline, insulating compounds, and polishes.
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A poisonous yellow liquid, C6H5NO2, prepared by treating benzene with nitric acid, used in making aniline, as a solvent, etc.
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(organic chemistry) A nitro derivative of benzene, C6H5NO2, prepared by reacting benzene with a mixture of nitric and sulphuric acids; any of a series of such compounds having two or more nitro groups.
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Other Word Forms

Noun

Singular:
nitrobenzene
Plural:
nitrobenzenes

Nitrobenzene Sentence Examples

  • Potassium permanganate in neutral solution oxidizes it to nitrobenzene, in alkaline solution to azobenzene, ammonia and oxalic acid, in acid solution to aniline black.

  • For the nitrobenzenes see Nitrobenzene.

  • It is readily nitrated to nitrobenzene, two, and even three nitro groups being introduced if some dehydrator such as concentrated sulphuric acid be present.

  • These con-, ditions pertain in cases where distillation with steam is successfully practised, the relatively high volatility of water being counterbalanced by the relatively high molecular weight of the other component; for example, in the case of nitrobenzene and water the ratio is I to 5.

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