1.

1 M solution of an acid has a pH of 5. Which of the following is the most reasonable explanation for this acid?

Answer»

The ACID is too DILUTE.
It is a strong acid.
It reacts with water to produce a high concentration of hydronium IONS
It is a weak acid.

Solution :Strengthof anacidincreasesaspHdecreases from6 to1 , thereforea strongestacidhavepH=1 andweakestacidhavepH= 6 . Thereforeand acidhavingpH = 5IS weakacid .


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