Question

Выберете верные утверждения относительно свойств сложных эфиров. Выберите один или несколько ответов: 1.в молекуле сложного эфира наиболее полярной связью является связь -С=О 2.сложные эфиры более летучи по сравнению с соответствующими карбоновыми кислотами 3.кислотные свойства сложных эфиров выражены ярче, чем у карбоновых кислот 4.растворимость сложных эфиров в воде хуже, чем у карбоновых кислот

Answer 1

Ответ:1 и 3

Объяснение:

Answer 2

Объяснение:

1,,3

это может и быть.

удачи!!!

Answer 3

Properties of Complex Ethers

Complex ethers are a class of organic compounds that contain an ether functional group and additional substituents or functional groups. Let's evaluate the given statements regarding the properties of complex ethers.

1. The most polar bond in a complex ether molecule is the C=O bond. - This statement is incorrect. In a complex ether molecule, the most polar bond is typically the C-O bond, which is the ether functional group. The C=O bond is found in carbonyl compounds such as aldehydes and ketones, not in complex ethers.

2. Complex ethers are more volatile compared to the corresponding carboxylic acids. - This statement is generally true. Complex ethers tend to have lower boiling points and higher vapor pressures compared to the corresponding carboxylic acids. This is because complex ethers have weaker intermolecular forces (such as London dispersion forces) compared to carboxylic acids, which have stronger intermolecular hydrogen bonding. As a result, complex ethers are more likely to evaporate and have a higher tendency to be volatile.

3. Complex ethers exhibit stronger acidic properties compared to carboxylic acids. - This statement is incorrect. Complex ethers do not exhibit acidic properties. In fact, complex ethers are generally considered to be neutral compounds and do not readily donate or accept protons. On the other hand, carboxylic acids are known for their acidic properties due to the presence of a carboxyl group (COOH), which can donate a proton.

4. The solubility of complex ethers in water is lower than that of carboxylic acids. - This statement is generally true. Complex ethers are typically less soluble in water compared to carboxylic acids. The reason for this is that complex ethers have nonpolar or weakly polar regions, while water is a polar solvent. The polar water molecules tend to interact more strongly with other polar molecules, such as carboxylic acids, through hydrogen bonding. In contrast, complex ethers have weaker interactions with water molecules, resulting in lower solubility.

In summary: - The most polar bond in a complex ether molecule is the C-O bond, not the C=O bond. - Complex ethers are generally more volatile compared to the corresponding carboxylic acids. - Complex ethers do not exhibit acidic properties; carboxylic acids are known for their acidic properties. - The solubility of complex ethers in water is generally lower than that of carboxylic acids.

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