A is an aqueous acid; B is an aqueous base. They are diluted separately, then

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$A$ is an aqueous acid; $B$ is an aqueous base. They are diluted separately, then

ChemistryIonic EquilibriumJEE Main

Options:

A $\mathrm{pH}$ of $A$ increases and $\mathrm{pH}$ of $B$ decreases
B $\mathrm{pH}$ of $A$ increases and $p H$ of $B$ decreases till $p H$ in each case is 7
C $p H$ of $A$ and $B$ increase
D $\mathrm{pH}$ of $B$ and $A$ decrease

Solution:

2138 Upvotes Verified Answer

The correct answer is: $\mathrm{pH}$ of $A$ increases and $\mathrm{pH}$ of $B$ decreases

On dilution the $p H$ of acid $A$ increases while $p H$ of base $B$ decreases.

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