nitrobenzene वाक्य
उदाहरण वाक्य
मोबाइल
- Alternatively, it can be prepared by transfer hydrogenation of nitrobenzene using hydrazine as an H 2 source over a rhodium catalyst.
- The cell makes use of the Kerr Effect, in which the nitrobenzene becomes birefringent under the influence of the electric field.
- Potassium fluoride gives 1-chloro-2-fluoro-4-nitrobenzene, an intermediate in the production of herbicides.
- In 1898 he explained the reduction of nitrobenzene in stages at the cathode and this became the model for other similar reduction processes.
- In another early example, a variety of substituted nitrobenzenes were reduced to the corresponding aniline using hydrazine and graphite as the catalyst.
- During the 1990s and 2000s, CUF's main industrial assets were located in Estarreja where the company produced aniline and nitrobenzene.
- In 1898, he explained the reduction of nitrobenzene in stages at the cathode and this became the model for other similar reduction processes.
- Fullerenes were used in the catalytic reduction of nitrobenzene to aniline in the presence of hydration of alkynes, and the oxidation of alkenes.
- The reduction of nitrobenzene to aniline has been reported to be catalysed by fullerene, its mono-anion, atmospheric hydrogen and UV light.
- The Kerr Cell consists of a transparent container ( A ) filled with Nitrobenzene ( B ) with attached electrodes ( C and D ).
- It is mainly used as a precursor to 1, 2-dichloro-4-nitrobenzene, an intermediate in the synthesis of agrochemicals.
- Other ingredients included glycerin, nitrate, sulfuric acid, and minute concentrations of nitrobenzene, silver azide ( silver trinitride ), and liquid acetone.
- Since the above synthetic route does not efficiently produce the 3-isomer, the route most commonly used by chemists is the chlorination of nitrobenzene.
- For example, indigo is described as " insoluble in water, alcohol, or ether but soluble in chloroform, nitrobenzene, or concentrated sulfuric acid ".
- The directing effect of the nitro group of nitrobenzene leads to 93 % of the product resulting from nitration at the " meta "-position.
- Purification of 3-nitrochlorobenzene is somewhat difficult since other isomers are formed even via chlorination of nitrobenzene, and all of these isomers have similar physical properties.
- The nitrobenzene level doubled on November 25 ( 0.5805 mg / L ), 33.15 times the national safety level, and began to decrease.
- It was provided in the form of permeable cartridges of the chlorate, which were placed in wire baskets and dipped in the nitrobenzene for a few seconds before use.
- The first Raman laser, realized in 1962, used nitrobenzene as the gain medium, which was intra-cavity-pumped inside a Q-switching ruby laser.
- The reaction conditions for the Pictet Hubert reaction were improved by Morgan and Walls in 1931, replacing the metal by phosphorus oxychloride and using nitrobenzene as a reaction solvent.
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