Shanxian Chemical
SUPPLEMENTS
Hydrogen Bond Polar or Nonpolar
"On the Polarity of Hydrogen Bonds"
Hydrogen bonds are important in chemistry. Whether they are polar or not, scholars have much to say about them.
In the microscopic view, the formation of hydrogen bonds originates from the fact that hydrogen atoms are related to highly electronegative atoms (such as nitrogen, oxygen, and fluorine), and have weak interactions with another highly electronegative atom. The electron cloud of hydrogen atoms is offset by connecting to highly electronegative atoms, causing hydrogen to be partially positively charged, and the electronegative atoms interacting with it to be partially negatively charged.
From this perspective, the charge distribution in hydrogen bonds is not uniform. One side has a partial accumulation of positive charges, and the other side has a partial accumulation of negative charges, which proves that hydrogen bonds are polar. For polarity, uneven charge distribution is also called. Taking water as an example, hydrogen bonds are formed between water molecules, hydrogen is connected to oxygen, hydrogen is slightly positive, and oxygen in adjacent water molecules is negative. The difference in charge is obvious. This is a sign of hydrogen bond polarity.
In summary, hydrogen bonds are polar, and their polarity has a significant impact on the properties of substances, such as melting boiling point and solubility. In the fields of chemistry, understanding the polarity of hydrogen bonds can be the key to studying the structure and properties of substances.
Hydrogen bonds are important in chemistry. Whether they are polar or not, scholars have much to say about them.
In the microscopic view, the formation of hydrogen bonds originates from the fact that hydrogen atoms are related to highly electronegative atoms (such as nitrogen, oxygen, and fluorine), and have weak interactions with another highly electronegative atom. The electron cloud of hydrogen atoms is offset by connecting to highly electronegative atoms, causing hydrogen to be partially positively charged, and the electronegative atoms interacting with it to be partially negatively charged.
From this perspective, the charge distribution in hydrogen bonds is not uniform. One side has a partial accumulation of positive charges, and the other side has a partial accumulation of negative charges, which proves that hydrogen bonds are polar. For polarity, uneven charge distribution is also called. Taking water as an example, hydrogen bonds are formed between water molecules, hydrogen is connected to oxygen, hydrogen is slightly positive, and oxygen in adjacent water molecules is negative. The difference in charge is obvious. This is a sign of hydrogen bond polarity.
In summary, hydrogen bonds are polar, and their polarity has a significant impact on the properties of substances, such as melting boiling point and solubility. In the fields of chemistry, understanding the polarity of hydrogen bonds can be the key to studying the structure and properties of substances.
Scan to WhatsApp
