If pH of A,B,C and D are 9.5,2.5,3.5 and 5.5 | vedclass

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(D) The $pH$ scale measures the acidity or basicity of a solution.For an aqueous solution,the acidity is inversely proportional to the $pH$ value.Lowe

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$B$

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(D) The $pH$ scale measures the acidity or basicity of a solution.For an aqueous solution,the acidity is inversely proportional to the $pH$ value.Lower $pH$ values indicate higher concentration of $H^+$ ions,meaning higher acidity.Given $pH$ values: $A = 9.5$,$B = 2.5$,$C = 3.5$,$D = 5.5$.Comparing these values,$2.5 Since $B$ has the lowest $pH$ value of $2.5$,it is the strongest acid.

If $pH$ of $A$,$B$,$C$ and $D$ are $9.5$,$2.5$,$3.5$ and $5.5$ respectively,then the strongest acid is

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