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  3. Chemistry
  4. At a certain temperature, the value of pKw is 13.4 and the measured pH of a solution is 7. The solution is

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Q. At a certain temperature, the value of $pK_w$ is 13.4 and the measured pH of a solution is 7. The solution is

Equilibrium

Solution:

At this temperature $pH$ of neutral solution will be $13.4/2$ i.e. $6.1$. Thus, $pH$ greater than $6.7$ at this temperature refers to basic solution