Choose the correct statement(s) among the following:

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For the equilibrium, $S u g a r (s) ⇌ S u g a r (a q)$ , the concentration of solute in solution is
constant at a given temperature.

For the equilibrium, $C O_{2} (g) ⇌ C O_{2} (a q), [C O_{2} (a q)]$ is constant, at constant temperature.

The boiling point of a liquid increases as pressure increases.

Melting point of ice decreases as pressure decreases.

answer is A, C.

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Detailed Solution

A) As pressure increases the boiling point of a liquid increases as VP of the liquid should be raised to external pressure.
B) As pressure decreases the equilibrium moves in the direction of decreasing density, i.e, towards ice.
C) $K_{c} = [s u g a r (a q)]$ and is a constant at constant temperature.
D) $K_{c} = \frac{[C O_{2} (a q)]}{[C O_{2} (g)]}$ which is a constant at constant temperature.