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For a physical equilibrium H2O(s)hArr ...

For a physical equilibrium
`H_2O(s)hArr H_2O(l)`
which of the following is true?

A

At low pressure, the nature of equilibrium changes to
`H_2O(s)hArr H_2(g)+1//2O_2(g)`

B

More of liquid freezes if the pressure on the system is increased.

C

The pressure change does not affect the equilibrium.

D

More of ice melts if the pressure on the system is increased.

Text Solution

Verified by Experts

The correct Answer is:
D
`underset("dense")underset("Less")(H_(2)O(s)) hArr underset("dense")underset("More")(H_(2)O(I))`
When we increase pressure on an equilibrium system, there is a shift in that direction which tends to decrease the volume. While dealing with condensed phases (liquids and solilds), we use the concept of density. Thus, on increasing pressure, equilibrium shifts forward and more of ice metlas.
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