Question

30 БАЛЛОВ Укажіть тип хімічних реакцій між нітратною кислотою та солями слабких кислот​

Answer 1

Ответ:

наприклад

CaCO₃ + 2HNO₃ = Ca(NO₃)₂ + CO₂ + H₂O

обмін

Объяснение:

Answer 2

Types of Chemical Reactions between Nitric Acid and Salts of Weak Acids

When nitric acid reacts with salts of weak acids, several types of chemical reactions can occur, depending on the specific salt involved. The types of reactions include:

1. Acid-Base Reaction: - When nitric acid reacts with a salt of a weak acid, it can undergo an acid-base reaction, resulting in the formation of water and the corresponding nitrate salt. - For example, when nitric acid reacts with sodium acetate, the reaction can be represented as follows: ``` CH3COONa + HNO3 → CH3COOH + NaNO3 ``` - This reaction involves the transfer of a proton from the nitric acid to the acetate ion, resulting in the formation of acetic acid and sodium nitrate.

2. Neutralization Reaction: - In the case of a neutralization reaction, the nitric acid reacts with the salt of a weak acid to form water and the corresponding nitrate salt. - For instance, when nitric acid reacts with calcium carbonate, the reaction can be represented as: ``` CaCO3 + 2HNO3 → Ca(NO3)2 + H2O + CO2 ``` - This reaction involves the formation of calcium nitrate, water, and carbon dioxide.

3. Redox Reaction: - In some cases, the reaction between nitric acid and salts of weak acids can involve redox processes, leading to the formation of nitrogen oxides and the corresponding salt. - For example, when nitric acid reacts with potassium iodide, the reaction can be represented as: ``` 2KI + 4HNO3 → 2KNO3 + 2H2O + I2 + 2NO2 ``` - This reaction involves the formation of potassium nitrate, water, iodine, and nitrogen dioxide.

4. Precipitation Reaction: - When nitric acid reacts with certain salts of weak acids, a precipitation reaction may occur, resulting in the formation of an insoluble nitrate salt. - For instance, when nitric acid reacts with silver acetate, the reaction can be represented as: ``` 2CH3COOAg + 2HNO3 → 2CH3COOH + 2AgNO3 ``` - This reaction leads to the formation of acetic acid and silver nitrate, with the precipitation of silver acetate.

These are some of the possible types of chemical reactions that can occur when nitric acid reacts with salts of weak acids. Each specific reaction depends on the nature of the salt and the conditions under which the reaction takes place.