haloforms造句

例句与造句

1. He was one of the first researchers to draw attention to the haloform reaction.
2. If a base is present, bromoform is obtained instead, via the haloform reaction.
3. The reagent is tetrahalomethane and triphenylphosphine; the co-products are haloform and triphenylphosphine oxide.
4. Sodium formate may also be created via the haloform reaction between ethanol and sodium hypochlorite in the presence of a base.
5. The article haloform reaction shows that a haloform can be made by reacting a methyl ketone with a halogen in basic conditions.
6. It's difficult to find haloforms in a sentence. 用haloforms造句挺难的
7. The article haloform reaction shows that a haloform can be made by reacting a methyl ketone with a halogen in basic conditions.
8. It is one of the " haloforms ", a class of compounds with the formula CHX 3 ( X = halogen ).
9. The haloform reaction, using chlorine and sodium hydroxide, is also able to generate alkyl halides from methyl ketones, and related compounds.
10. In the third step the  " CX 3 anion abstracts a proton from either the solvent or the carboxylic acid formed in the previous step, and forms the haloform.
11. In the case of methyl ketones, this reaction often occurs a third time to form a ketone trihalide, which can undergo rapid substitution with water to form a carboxylate in what is known as the haloform reaction.