AP BIOLOGY

BIOCHEMISTRY

PROPERTIES OF WATER

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The weak attractions between water molecules are called
A
Covalent bonds
B
Ionic bonds
C
Polar bonds
D
Hydrogen bonds
Explanation: 

Detailed explanation-1: -In the case of water, hydrogen bonds form between neighboring hydrogen and oxygen atoms of adjacent water molecules. The attraction between individual water molecules creates a bond known as a hydrogen bond.

Detailed explanation-2: -Hydrogen bonding of water molecules The plus end of one-a hydrogen atom-associates with the minus end of another-an oxygen atom. These attractions are an example of hydrogen bonds, weak interactions that form between a hydrogen with a partial positive charge and a more electronegative atom, such as oxygen.

Detailed explanation-3: -The water hydrogen bond is a weak bond, never stronger than about a twentieth of the strength of the O-H covalent bond. It is strong enough, however, to be maintained during thermal fluctuations at, and below, ambient temperatures.

Detailed explanation-4: -Answer and Explanation: A weak force of attraction that exists between a hydrogen atom in one molecule and an electronegative atom of another molecule is known as hydrogen bonding.

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