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(A) salt bridge typically contains an inert electrolyte like $KCl$,$KNO_3$,or $NH_4NO_3$ in an agar-agar gel. These electrolytes are chosen because th

Vedclass · Accepted Answer

$CH_3COOK$

Vedclass · Answer

(A) salt bridge typically contains an inert electrolyte like $KCl$,$KNO_3$,or $NH_4NO_3$ in an agar-agar gel. These electrolytes are chosen because the transport numbers of their cations and anions are approximately equal,ensuring electrical neutrality. $CH_3COOK$ (potassium acetate) is a salt of a weak acid and a strong base,which can undergo hydrolysis to produce $OH^-$ ions,potentially interfering with the electrochemical reaction or causing precipitation. Therefore,it is not suitable for use in a salt bridge.

Which of the following solutions cannot be used in a salt bridge?

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