Which of the following salts has a pH less th | vedclass

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(B) The salt $NH_4Cl$ has a $pH$ less than $7$.This is because $NH_4Cl$ is a salt formed from a strong acid $(HCl)$ and a weak base $(NH_4OH)$.Strong

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$NH_4Cl$

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(B) The salt $NH_4Cl$ has a $pH$ less than $7$.This is because $NH_4Cl$ is a salt formed from a strong acid $(HCl)$ and a weak base $(NH_4OH)$.Strong acids ionize completely in water,while weak bases do not ionize completely.Consequently,the resulting solution becomes acidic due to the presence of excess hydrogen ions $(H^+)$,leading to a $pH$ value of less than $7$.

Which of the following salts has a $pH$ less than $7$? Why?

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