Question:
A liquid can exist only
A liquid can exist only
Updated On: May 4, 2024
- Between triple point and critical temperature
- At any temperature above the melting point
- Between melting point and critical temperature
- Between boiling and melting temperature
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The Correct Option is C
Solution and Explanation
A liquid can exist between boiling point and melting point. These both describe temperature at which phase change occurs in substances. The main difference between boiling point and melting point is that melting point is defined as the temperature at which solid and liquid phases are in equilibrium whereas the boiling point is the temperature at which the vapour pressure of a liquid is equal to external pressure.
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Concepts Used:
States of Matter
The matter is made up of very tiny particles and these particles are so small that we cannot see them with naked eyes.
There are three States of Matter:
The three states of matter are as follows:
Solid State:
- The solid-state is one of the fundamental states of matter.
- Solids differ from liquids and gases by the characteristic of rigidity.
- The molecules of solids are tightly packed because of strong intermolecular forces; they only oscillate about their mean positions.
Liquid State:
- The molecules in a liquid are closely packed due to weak intermolecular forces.
- These forces are weaker than solids but stronger than that of gases.
- There is much space in between the molecules of liquids which makes their flowing ability easy.
Gaseous State:
- In this state of matter, distances between the molecules are large (intermolecular distance is in the range of 10-7-10-5 cm.
- The intermolecular forces experienced between them are negligible.
- Thus, translatory, rotatory and vibratory motions are observed prominently in gases.