LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

BIOCHEMISTRY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Water is often called the “universal solvent” because many substances can be dissolved in water. What property of water allows it to be such a versatile solvent?
A
purity
B
polarity
C
high heat capacity
D
expansion upon freezing
Explanation: 

Detailed explanation-1: -Water molecules have a polar arrangement of oxygen and hydrogen atoms-one side (hydrogen) has a positive electrical charge and the other side (oxygen) had a negative charge. This allows the water molecule to become attracted to many other different types of molecules.

Detailed explanation-2: -Because of its polarity and ability to form hydrogen bonds, water makes an excellent solvent, meaning that it can dissolve many different kinds of molecules.

Detailed explanation-3: -Water is a good solvent due to its polarity. The relatively small size of water molecules typically allows many water molecules to surround one molecule of solute. The partially negative dipoles of the water are attracted to positively charged components of the solute, and vice versa for the positive dipoles.

Detailed explanation-4: -Water is called the universal solvent because it is capable of dissolving more substances than any other liquid. Water is a polar covalent molecule in which the hydrogen atom has a positive charge, whereas oxygen has a negative charge.

Detailed explanation-5: -It is polar, allowing for the formation of hydrogen bonds, which allow ions and other polar molecules to dissolve in water. Therefore, water is an excellent solvent. The hydrogen bonds between water molecules give water the ability to hold heat better than many other substances.

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