The pH value is maximum in 0.1 , M solution o | vedclass

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(C) To determine the $pH$,we analyze the nature of the salts:$1$. $NaCl$ is a salt of a strong acid $(HCl)$ and a strong base $(NaOH)$,so its solution

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$0.1 \, M \, CH_3COONa$

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(C) To determine the $pH$,we analyze the nature of the salts:$1$. $NaCl$ is a salt of a strong acid $(HCl)$ and a strong base $(NaOH)$,so its solution is neutral $(pH \approx 7)$.$2$. $NH_4Cl$ is a salt of a weak base $(NH_4OH)$ and a strong acid $(HCl)$,so its solution is acidic $(pH $3$. $CH_3COONa$ is a salt of a weak acid $(CH_3COOH)$ and a strong base $(NaOH)$,so its solution is basic $(pH > 7)$.$4$. $CH_3COONH_4$ is a salt of a weak acid $(CH_3COOH)$ and a weak base $(NH_4OH)$,so its solution is approximately neutral $(pH \approx 7)$.Therefore,the solution of $CH_3COONa$ has the highest $pH$ value.

The $pH$ value is maximum in $0.1 \, M$ solution of:

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