nitro compound वाक्य
उदाहरण वाक्य
मोबाइल
- His earliest research on coal tar laid the groundwork for his student Charles Mansfield's practical methods for extracting benzene and toluene and converting them into nitro compounds and amines.
- Narcotics are a diverse group of chemicals including : inert gases, aliphatic and aromatic hydrocarbons, chlorinated hydrocarbons, alcohols, ethers, ketones, aldehydes, weak acids and bases, and aliphatic nitro compounds.
- Nitration of cinnamaldehyde via acidification of a nitrate salt with H 2 SO 4 also yields the ortho-nitro compound, however it also yields some of the para-nitro compound, which is generally undesired.
- Nitration of cinnamaldehyde via acidification of a nitrate salt with H 2 SO 4 also yields the ortho-nitro compound, however it also yields some of the para-nitro compound, which is generally undesired.
- While some resulting nitro compounds are shock-and thermally-sensitive explosives, a few are stable enough to be used in munitions and demolition, while others are still more stable and used as pigments in inks and dyes.
- Tertiary amines lack an N H proton to form the intermediate enamine . ?-CH-acidic compounds ( nucleophiles ) include carbonyl compounds, nitriles, acetylenes, aliphatic nitro compounds, ?-alkyl-pyridines or imines.
- The solubility of picric acid and styphnic acid in water is less than their corresponding mono-and di-nitro compounds, and far less than their non-nitrated percursor phenols, so they may be purified by fractional crystallisation.
- Subsequently, Walsh organised trials to ascertain the cause of so many breakages in guns, the testing of powders by the lead cylinder method, the various effects of nitro compounds, and the strain on the barrels of small bores.
- A permanganate can oxidize an amine to a nitro compound, an alcohol to a ketone, an aldehyde to a carboxylic acid, a terminal alkene to a carboxylic acid, oxalic acid to carbon dioxide, and an alkene to a diol.
- "' Nitropentadecene "', or more precisely ( " E " )-1-nitropentadec-1-ene, is a highly toxic unsaturated nitroalkene, the only aliphatic nitro compound known to be synthesized by insects.
- The aromatic nitro compounds may explode in the presence of a base such as sodium hydroxide or potassium hydroxide even in the presence of water or organic solvents because of the explosive tendencies of aromatic nitro compounds which increase in the presence of multiple nitro groups.
- The aromatic nitro compounds may explode in the presence of a base such as sodium hydroxide or potassium hydroxide even in the presence of water or organic solvents because of the explosive tendencies of aromatic nitro compounds which increase in the presence of multiple nitro groups.
- In Asimov's writings the endochronicity of thiotimoline is explained by the fact that in the thiotimoline molecule, there is at least one carbon atom such that, while two of the carbon's four chemical bonds lie in normal amino groups, and one sulfonic acid group, and possibly one nitro compound group as well.
- This includes the conversion of unreactive alkyl nitro compounds to their corresponding dianions which will react faster with carbonyl substrates, reactions can be accelerated using PAP as base, utilization of the reactivity of aldehydes with ?, ?-doubly deprotonated nitroalkanes to give nitronate alkoxides that yield mainly syn-nitro alcohols once protonated, and finally generation of nitronate anions in which one oxygenatom on the nitro group is silyl-protected to yield anti-?-nitro alcohols in the presence of a fluoride anion source when reacted with an aldehyde.
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