The value of the ionic product of water (K_w) | vedclass

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(B) The auto-ionization of water is an endothermic process. According to Le Chatelier's principle,an increase in temperature shifts the equilibrium in

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greater than $1 	imes 10^{-14}$

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(B) The auto-ionization of water is an endothermic process. According to Le Chatelier's principle,an increase in temperature shifts the equilibrium in the forward direction. Therefore,the ionic product of water $(K_w = [H^+][OH^-])$ increases as the temperature increases. At $298 \ K$,$K_w = 1 	imes 10^{-14}$. Since $393 \ K > 298 \ K$,the value of $K_w$ at $393 \ K$ will be greater than $1 	imes 10^{-14}$.

The value of the ionic product of water $(K_w)$ at $393 \ K$ is:

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