InterviewSolution
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InterviewSolution
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Choose the correct statementA. pH of acidic buffer solutions decrease if more salt is addedB. pH of acidic buffer solution increases is more salt is addedC. pH of basic buffer decreases if more salt is addedD. pH of basic buffer increases if more salt is added. |
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Answer» Correct Answer - B::C Is correct because `pH = pK_(1) + log.(["Salt"])/(["Acid"])` for acidic buffer. If [Salt] increases, pH of acidic buffer will increase. `pOH = pK_(b) + log.(["Salt"])/(["Base"])` for basic buffer. If [salt] increases, pOH will increase, pH will decrease as pH = 14 - pOH Therefore (c) is correct but (d) is wrong (a) ir not correct as explained below `pH = pK_(a) + log.(["Salt"])/(["Acid"])` If [salt] increases, pH will increase. |
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