Question

При взаимодействии фенола с какими веществами замещению подвергаются в атомы водорода в бензольном кольце? а) азотная кислота; б) бромная вода в) гидроксид натрия; г) калий.​

Answer 1

Ответ:в

Объяснение: так как они могут это делать

Answer 2

Ответ:

а) азотная кислота; б) бромная вода

Объяснение:

По замещению в кольце - галогенирование и нитрирование

Answer 3

Interaction of Phenol with Substances Resulting in Hydrogen Atom Substitution in the Benzene Ring

When phenol interacts with certain substances, hydrogen atoms in the benzene ring can undergo substitution. These substances include:

a) Nitric Acid: - Nitric acid can lead to the substitution of hydrogen atoms in the benzene ring when it interacts with phenol. - Nitration of phenol involves the substitution of a hydrogen atom in the benzene ring with a nitro group (-NO2) in the presence of nitric acid and sulfuric acid.

b) Bromine Water: - Bromine water can also lead to the substitution of hydrogen atoms in the benzene ring when it interacts with phenol. - Bromination of phenol involves the substitution of a hydrogen atom in the benzene ring with a bromine atom in the presence of bromine water.

c) Sodium Hydroxide (NaOH): - Sodium hydroxide can also play a role in the substitution of hydrogen atoms in the benzene ring when it interacts with phenol. - However, it's important to note that sodium hydroxide alone may not directly lead to hydrogen atom substitution in the benzene ring. It is often used in conjunction with other reagents in specific reactions involving phenol.

d) Potassium (K): - Potassium, as a metal, may not directly lead to hydrogen atom substitution in the benzene ring when it interacts with phenol. Potassium is more commonly associated with other types of reactions and may not be directly involved in the substitution of hydrogen atoms in the benzene ring of phenol.

These substances can participate in various chemical reactions with phenol, leading to the substitution of hydrogen atoms in the benzene ring and the formation of different products.

It's important to note that the specific conditions and reagents used in these interactions play a crucial role in determining the outcome of the reactions involving phenol and the substitution of hydrogen atoms in the benzene ring.

Feel free to ask if you have further questions or need additional information!