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  4. The pH of which salt solution is independent of its concentration (.1.) (.CH3COO.)C5H5NH (.2.) NaH2PO4 (.3.) Na2HPO4 (.4.) NH4CN

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Q. The pH of which salt solution is independent of its concentration

$\left(\right.1\left.\right)$ $\left(\right.CH_{3}COO\left.\right)C_{5}H_{5}NH$

$\left(\right.2\left.\right)$ $NaH_{2}PO_{4}$

$\left(\right.3\left.\right)$ $Na_{2}HPO_{4}$

$\left(\right.4\left.\right)$ $NH_{4}CN$

NTA AbhyasNTA Abhyas 2020Equilibrium

Solution:

pH of amphoteric salts and weak acid weak base salt is independent of its concentration as they act like buffer.