JEE Main Chemistry question

Which pair will show common ion effect?

(A)
(B)
(C)NH_4OH+NH_4ClCorrect
(D)

Answer: (C)

Solution

Common ion effect requires a weak electrolyte and a strong electrolyte sharing a common ion. (weak base) and (strong electrolyte) share the common ion . (Note: option (D) also shares

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Question ID VK-135880