Select the incorrect statement :

CHEMISTRY · Single correct · A Level · Chemistry · Chemical equilibria (Le Chatelier’s principle and Kc) · Chemical equilibria (Le Chatelier’s principle and Kc)

Problem

Select the incorrect statement : (1) Solubility of hydrated salts usually increases with temperature (2) PW⟶PRP_W \longrightarrow P_R ; ΔH=+ve\Delta H = +ve (3) Dissolution of water soluble gas is always exothermic (4) Le chatelier principle is not valid for solid-solid systems

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